Home / 3,708.92-5,118.28-2,765.52

Finding the Fourth Proportional to 3,708.92, 5,118.28 and 2,765.52

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Solution

The fourth proportional to 3,708.92, 5,118.28 and 2,765.52 is: 3,816.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.92 : 5,118.28 = 2,765.52 : x
  2. Step 2: Convert to fraction form
    3,708.92/5,118.28 = 2,765.52/x
  3. Step 3: Cross multiply
    3,708.92x = 5,118.28 × 2,765.52
  4. Step 4: Simplify right side
    3,708.92x = 14,154,705.71
  5. Step 5: Solve for x
    x = 14,154,705.71/3,708.92
  6. Step 6: Final answer
    x = 3,816.40

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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.