Home / 2,175.07-3,001.23-1,230.76

Finding the Fourth Proportional to 2,175.07, 3,001.23 and 1,230.76

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Solution

The fourth proportional to 2,175.07, 3,001.23 and 1,230.76 is: 1,698.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.07 : 3,001.23 = 1,230.76 : x
  2. Step 2: Convert to fraction form
    2,175.07/3,001.23 = 1,230.76/x
  3. Step 3: Cross multiply
    2,175.07x = 3,001.23 × 1,230.76
  4. Step 4: Simplify right side
    2,175.07x = 3,693,793.83
  5. Step 5: Solve for x
    x = 3,693,793.83/2,175.07
  6. Step 6: Final answer
    x = 1,698.24

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,176.07, 3,002.61 and 1,231.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.