Home / 1,437.09-1,983.24-1,087.17

Finding the Fourth Proportional to 1,437.09, 1,983.24 and 1,087.17

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Solution

The fourth proportional to 1,437.09, 1,983.24 and 1,087.17 is: 1,500.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437.09 : 1,983.24 = 1,087.17 : x
  2. Step 2: Convert to fraction form
    1,437.09/1,983.24 = 1,087.17/x
  3. Step 3: Cross multiply
    1,437.09x = 1,983.24 × 1,087.17
  4. Step 4: Simplify right side
    1,437.09x = 2,156,119.03
  5. Step 5: Solve for x
    x = 2,156,119.03/1,437.09
  6. Step 6: Final answer
    x = 1,500.34

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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.