Home / 2,477.20-3,713.61-1,242.85

Finding the Fourth Proportional to 2,477.20, 3,713.61 and 1,242.85

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Solution

The fourth proportional to 2,477.20, 3,713.61 and 1,242.85 is: 1,863.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477.20 : 3,713.61 = 1,242.85 : x
  2. Step 2: Convert to fraction form
    2,477.20/3,713.61 = 1,242.85/x
  3. Step 3: Cross multiply
    2,477.20x = 3,713.61 × 1,242.85
  4. Step 4: Simplify right side
    2,477.20x = 4,615,460.19
  5. Step 5: Solve for x
    x = 4,615,460.19/2,477.20
  6. Step 6: Final answer
    x = 1,863.18

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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.