Home / 1,529.77-2,294.33-434.15

Finding the Fourth Proportional to 1,529.77, 2,294.33 and 434.15

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Solution

The fourth proportional to 1,529.77, 2,294.33 and 434.15 is: 651.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.77 : 2,294.33 = 434.15 : x
  2. Step 2: Convert to fraction form
    1,529.77/2,294.33 = 434.15/x
  3. Step 3: Cross multiply
    1,529.77x = 2,294.33 × 434.15
  4. Step 4: Simplify right side
    1,529.77x = 996,083.37
  5. Step 5: Solve for x
    x = 996,083.37/1,529.77
  6. Step 6: Final answer
    x = 651.13

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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.