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Finding the Fourth Proportional to 1,506.49, 2,259.17 and 519.02

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Solution

The fourth proportional to 1,506.49, 2,259.17 and 519.02 is: 778.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506.49 : 2,259.17 = 519.02 : x
  2. Step 2: Convert to fraction form
    1,506.49/2,259.17 = 519.02/x
  3. Step 3: Cross multiply
    1,506.49x = 2,259.17 × 519.02
  4. Step 4: Simplify right side
    1,506.49x = 1,172,554.41
  5. Step 5: Solve for x
    x = 1,172,554.41/1,506.49
  6. Step 6: Final answer
    x = 778.34

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1.5x scale

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.