Home / 1,528.52-2,292.98-555.08

Finding the Fourth Proportional to 1,528.52, 2,292.98 and 555.08

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Solution

The fourth proportional to 1,528.52, 2,292.98 and 555.08 is: 832.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528.52 : 2,292.98 = 555.08 : x
  2. Step 2: Convert to fraction form
    1,528.52/2,292.98 = 555.08/x
  3. Step 3: Cross multiply
    1,528.52x = 2,292.98 × 555.08
  4. Step 4: Simplify right side
    1,528.52x = 1,272,787.34
  5. Step 5: Solve for x
    x = 1,272,787.34/1,528.52
  6. Step 6: Final answer
    x = 832.69

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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.