Home / 1,509.35-2,083.65-1,037.43

Finding the Fourth Proportional to 1,509.35, 2,083.65 and 1,037.43

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Solution

The fourth proportional to 1,509.35, 2,083.65 and 1,037.43 is: 1,432.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509.35 : 2,083.65 = 1,037.43 : x
  2. Step 2: Convert to fraction form
    1,509.35/2,083.65 = 1,037.43/x
  3. Step 3: Cross multiply
    1,509.35x = 2,083.65 × 1,037.43
  4. Step 4: Simplify right side
    1,509.35x = 2,161,641.02
  5. Step 5: Solve for x
    x = 2,161,641.02/1,509.35
  6. Step 6: Final answer
    x = 1,432.17

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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.