Home / 3,545.60-4,886.80-2,659.86

Finding the Fourth Proportional to 3,545.60, 4,886.80 and 2,659.86

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Solution

The fourth proportional to 3,545.60, 4,886.80 and 2,659.86 is: 3,666.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.60 : 4,886.80 = 2,659.86 : x
  2. Step 2: Convert to fraction form
    3,545.60/4,886.80 = 2,659.86/x
  3. Step 3: Cross multiply
    3,545.60x = 4,886.80 × 2,659.86
  4. Step 4: Simplify right side
    3,545.60x = 12,998,197.20
  5. Step 5: Solve for x
    x = 12,998,197.20/3,545.60
  6. Step 6: Final answer
    x = 3,666.01

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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.