Home / 2,127.07-3,189.39-1,030.06

Finding the Fourth Proportional to 2,127.07, 3,189.39 and 1,030.06

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Solution

The fourth proportional to 2,127.07, 3,189.39 and 1,030.06 is: 1,544.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.07 : 3,189.39 = 1,030.06 : x
  2. Step 2: Convert to fraction form
    2,127.07/3,189.39 = 1,030.06/x
  3. Step 3: Cross multiply
    2,127.07x = 3,189.39 × 1,030.06
  4. Step 4: Simplify right side
    2,127.07x = 3,285,263.06
  5. Step 5: Solve for x
    x = 3,285,263.06/2,127.07
  6. Step 6: Final answer
    x = 1,544.50

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.