Home / 3,565.11-4,920.85-2,148.93

Finding the Fourth Proportional to 3,565.11, 4,920.85 and 2,148.93

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Solution

The fourth proportional to 3,565.11, 4,920.85 and 2,148.93 is: 2,966.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.11 : 4,920.85 = 2,148.93 : x
  2. Step 2: Convert to fraction form
    3,565.11/4,920.85 = 2,148.93/x
  3. Step 3: Cross multiply
    3,565.11x = 4,920.85 × 2,148.93
  4. Step 4: Simplify right side
    3,565.11x = 10,574,564.88
  5. Step 5: Solve for x
    x = 10,574,564.88/3,565.11
  6. Step 6: Final answer
    x = 2,966.12

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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.