Home / 1,460.90-2,188.92-974.12

Finding the Fourth Proportional to 1,460.90, 2,188.92 and 974.12

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Solution

The fourth proportional to 1,460.90, 2,188.92 and 974.12 is: 1,459.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460.90 : 2,188.92 = 974.12 : x
  2. Step 2: Convert to fraction form
    1,460.90/2,188.92 = 974.12/x
  3. Step 3: Cross multiply
    1,460.90x = 2,188.92 × 974.12
  4. Step 4: Simplify right side
    1,460.90x = 2,132,270.75
  5. Step 5: Solve for x
    x = 2,132,270.75/1,460.90
  6. Step 6: Final answer
    x = 1,459.56

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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.