Home / 3,565.56-4,921.84-2,386.20

Finding the Fourth Proportional to 3,565.56, 4,921.84 and 2,386.20

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Solution

The fourth proportional to 3,565.56, 4,921.84 and 2,386.20 is: 3,293.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.56 : 4,921.84 = 2,386.20 : x
  2. Step 2: Convert to fraction form
    3,565.56/4,921.84 = 2,386.20/x
  3. Step 3: Cross multiply
    3,565.56x = 4,921.84 × 2,386.20
  4. Step 4: Simplify right side
    3,565.56x = 11,744,494.61
  5. Step 5: Solve for x
    x = 11,744,494.61/3,565.56
  6. Step 6: Final answer
    x = 3,293.87

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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.