Home / 1,498.26-2,246.58-510.78

Finding the Fourth Proportional to 1,498.26, 2,246.58 and 510.78

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Solution

The fourth proportional to 1,498.26, 2,246.58 and 510.78 is: 765.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498.26 : 2,246.58 = 510.78 : x
  2. Step 2: Convert to fraction form
    1,498.26/2,246.58 = 510.78/x
  3. Step 3: Cross multiply
    1,498.26x = 2,246.58 × 510.78
  4. Step 4: Simplify right side
    1,498.26x = 1,147,508.13
  5. Step 5: Solve for x
    x = 1,147,508.13/1,498.26
  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.