Home / 1,534.97-2,302.92-1,188.70

Finding the Fourth Proportional to 1,534.97, 2,302.92 and 1,188.70

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Solution

The fourth proportional to 1,534.97, 2,302.92 and 1,188.70 is: 1,783.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.97 : 2,302.92 = 1,188.70 : x
  2. Step 2: Convert to fraction form
    1,534.97/2,302.92 = 1,188.70/x
  3. Step 3: Cross multiply
    1,534.97x = 2,302.92 × 1,188.70
  4. Step 4: Simplify right side
    1,534.97x = 2,737,475.25
  5. Step 5: Solve for x
    x = 2,737,475.25/1,534.97
  6. Step 6: Final answer
    x = 1,783.40

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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.