Home / 3,490.12-5,232.30-2,565.64

Finding the Fourth Proportional to 3,490.12, 5,232.30 and 2,565.64

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Solution

The fourth proportional to 3,490.12, 5,232.30 and 2,565.64 is: 3,846.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.12 : 5,232.30 = 2,565.64 : x
  2. Step 2: Convert to fraction form
    3,490.12/5,232.30 = 2,565.64/x
  3. Step 3: Cross multiply
    3,490.12x = 5,232.30 × 2,565.64
  4. Step 4: Simplify right side
    3,490.12x = 13,424,198.17
  5. Step 5: Solve for x
    x = 13,424,198.17/3,490.12
  6. Step 6: Final answer
    x = 3,846.34

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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.