Home / 3,639.30-5,458.98-2,256.66

Finding the Fourth Proportional to 3,639.30, 5,458.98 and 2,256.66

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Solution

The fourth proportional to 3,639.30, 5,458.98 and 2,256.66 is: 3,385.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.30 : 5,458.98 = 2,256.66 : x
  2. Step 2: Convert to fraction form
    3,639.30/5,458.98 = 2,256.66/x
  3. Step 3: Cross multiply
    3,639.30x = 5,458.98 × 2,256.66
  4. Step 4: Simplify right side
    3,639.30x = 12,319,061.81
  5. Step 5: Solve for x
    x = 12,319,061.81/3,639.30
  6. Step 6: Final answer
    x = 3,385.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.