Home / 1,817.52-2,508.54-1,155.16

Finding the Fourth Proportional to 1,817.52, 2,508.54 and 1,155.16

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Solution

The fourth proportional to 1,817.52, 2,508.54 and 1,155.16 is: 1,594.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.52 : 2,508.54 = 1,155.16 : x
  2. Step 2: Convert to fraction form
    1,817.52/2,508.54 = 1,155.16/x
  3. Step 3: Cross multiply
    1,817.52x = 2,508.54 × 1,155.16
  4. Step 4: Simplify right side
    1,817.52x = 2,897,765.07
  5. Step 5: Solve for x
    x = 2,897,765.07/1,817.52
  6. Step 6: Final answer
    x = 1,594.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.