Home / 2,478.60-3,716.28-1,244.16

Finding the Fourth Proportional to 2,478.60, 3,716.28 and 1,244.16

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Solution

The fourth proportional to 2,478.60, 3,716.28 and 1,244.16 is: 1,865.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,478.60 : 3,716.28 = 1,244.16 : x
  2. Step 2: Convert to fraction form
    2,478.60/3,716.28 = 1,244.16/x
  3. Step 3: Cross multiply
    2,478.60x = 3,716.28 × 1,244.16
  4. Step 4: Simplify right side
    2,478.60x = 4,623,646.92
  5. Step 5: Solve for x
    x = 4,623,646.92/2,478.60
  6. Step 6: Final answer
    x = 1,865.43

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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.