Home / 1,532.18-2,114.28-902.73

Finding the Fourth Proportional to 1,532.18, 2,114.28 and 902.73

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Solution

The fourth proportional to 1,532.18, 2,114.28 and 902.73 is: 1,245.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.18 : 2,114.28 = 902.73 : x
  2. Step 2: Convert to fraction form
    1,532.18/2,114.28 = 902.73/x
  3. Step 3: Cross multiply
    1,532.18x = 2,114.28 × 902.73
  4. Step 4: Simplify right side
    1,532.18x = 1,908,623.98
  5. Step 5: Solve for x
    x = 1,908,623.98/1,532.18
  6. Step 6: Final answer
    x = 1,245.69

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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.