Home / 2,995.70-4,132.76-1,801.15

Finding the Fourth Proportional to 2,995.70, 4,132.76 and 1,801.15

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Solution

The fourth proportional to 2,995.70, 4,132.76 and 1,801.15 is: 2,484.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995.70 : 4,132.76 = 1,801.15 : x
  2. Step 2: Convert to fraction form
    2,995.70/4,132.76 = 1,801.15/x
  3. Step 3: Cross multiply
    2,995.70x = 4,132.76 × 1,801.15
  4. Step 4: Simplify right side
    2,995.70x = 7,443,701.34
  5. Step 5: Solve for x
    x = 7,443,701.34/2,995.70
  6. Step 6: Final answer
    x = 2,484.80

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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.