Home / 1,733.31-2,599.78-434.78

Finding the Fourth Proportional to 1,733.31, 2,599.78 and 434.78

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Solution

The fourth proportional to 1,733.31, 2,599.78 and 434.78 is: 652.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,733.31 : 2,599.78 = 434.78 : x
  2. Step 2: Convert to fraction form
    1,733.31/2,599.78 = 434.78/x
  3. Step 3: Cross multiply
    1,733.31x = 2,599.78 × 434.78
  4. Step 4: Simplify right side
    1,733.31x = 1,130,337.76
  5. Step 5: Solve for x
    x = 1,130,337.76/1,733.31
  6. Step 6: Final answer
    x = 652.13

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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.