Home / 1,434.90-2,152.67-510.52

Finding the Fourth Proportional to 1,434.90, 2,152.67 and 510.52

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Solution

The fourth proportional to 1,434.90, 2,152.67 and 510.52 is: 765.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434.90 : 2,152.67 = 510.52 : x
  2. Step 2: Convert to fraction form
    1,434.90/2,152.67 = 510.52/x
  3. Step 3: Cross multiply
    1,434.90x = 2,152.67 × 510.52
  4. Step 4: Simplify right side
    1,434.90x = 1,098,981.09
  5. Step 5: Solve for x
    x = 1,098,981.09/1,434.90
  6. Step 6: Final answer
    x = 765.89

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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.