Home / 1,487.06-2,050.01-1,310.88

Finding the Fourth Proportional to 1,487.06, 2,050.01 and 1,310.88

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Solution

The fourth proportional to 1,487.06, 2,050.01 and 1,310.88 is: 1,807.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487.06 : 2,050.01 = 1,310.88 : x
  2. Step 2: Convert to fraction form
    1,487.06/2,050.01 = 1,310.88/x
  3. Step 3: Cross multiply
    1,487.06x = 2,050.01 × 1,310.88
  4. Step 4: Simplify right side
    1,487.06x = 2,687,323.16
  5. Step 5: Solve for x
    x = 2,687,323.16/1,487.06
  6. Step 6: Final answer
    x = 1,807.14

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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.