Home / 1,555.92-2,336.76-1,043.28

Finding the Fourth Proportional to 1,555.92, 2,336.76 and 1,043.28

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Solution

The fourth proportional to 1,555.92, 2,336.76 and 1,043.28 is: 1,566.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555.92 : 2,336.76 = 1,043.28 : x
  2. Step 2: Convert to fraction form
    1,555.92/2,336.76 = 1,043.28/x
  3. Step 3: Cross multiply
    1,555.92x = 2,336.76 × 1,043.28
  4. Step 4: Simplify right side
    1,555.92x = 2,437,894.97
  5. Step 5: Solve for x
    x = 2,437,894.97/1,555.92
  6. Step 6: Final answer
    x = 1,566.85

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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.