Home / 4,290.15-5,921.18-2,521.85

Finding the Fourth Proportional to 4,290.15, 5,921.18 and 2,521.85

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Solution

The fourth proportional to 4,290.15, 5,921.18 and 2,521.85 is: 3,480.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.15 : 5,921.18 = 2,521.85 : x
  2. Step 2: Convert to fraction form
    4,290.15/5,921.18 = 2,521.85/x
  3. Step 3: Cross multiply
    4,290.15x = 5,921.18 × 2,521.85
  4. Step 4: Simplify right side
    4,290.15x = 14,932,285.57
  5. Step 5: Solve for x
    x = 14,932,285.57/4,290.15
  6. Step 6: Final answer
    x = 3,480.60

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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.