Home / 1,515.84-2,272.38-592.20

Finding the Fourth Proportional to 1,515.84, 2,272.38 and 592.20

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Solution

The fourth proportional to 1,515.84, 2,272.38 and 592.20 is: 887.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515.84 : 2,272.38 = 592.20 : x
  2. Step 2: Convert to fraction form
    1,515.84/2,272.38 = 592.20/x
  3. Step 3: Cross multiply
    1,515.84x = 2,272.38 × 592.20
  4. Step 4: Simplify right side
    1,515.84x = 1,345,703.44
  5. Step 5: Solve for x
    x = 1,345,703.44/1,515.84
  6. Step 6: Final answer
    x = 887.76

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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.