Home / 2,915.60-4,373.40-1,066.76

Finding the Fourth Proportional to 2,915.60, 4,373.40 and 1,066.76

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Solution

The fourth proportional to 2,915.60, 4,373.40 and 1,066.76 is: 1,600.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.60 : 4,373.40 = 1,066.76 : x
  2. Step 2: Convert to fraction form
    2,915.60/4,373.40 = 1,066.76/x
  3. Step 3: Cross multiply
    2,915.60x = 4,373.40 × 1,066.76
  4. Step 4: Simplify right side
    2,915.60x = 4,665,368.18
  5. Step 5: Solve for x
    x = 4,665,368.18/2,915.60
  6. Step 6: Final answer
    x = 1,600.14

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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.