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Finding the Fourth Proportional to 3,387.64, 4,670.04 and 2,600.32

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Solution

The fourth proportional to 3,387.64, 4,670.04 and 2,600.32 is: 3,584.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.64 : 4,670.04 = 2,600.32 : x
  2. Step 2: Convert to fraction form
    3,387.64/4,670.04 = 2,600.32/x
  3. Step 3: Cross multiply
    3,387.64x = 4,670.04 × 2,600.32
  4. Step 4: Simplify right side
    3,387.64x = 12,143,598.41
  5. Step 5: Solve for x
    x = 12,143,598.41/3,387.64
  6. Step 6: Final answer
    x = 3,584.68

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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.