Home / 3,612.40-4,984.08-2,493.64

Finding the Fourth Proportional to 3,612.40, 4,984.08 and 2,493.64

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Solution

The fourth proportional to 3,612.40, 4,984.08 and 2,493.64 is: 3,440.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.40 : 4,984.08 = 2,493.64 : x
  2. Step 2: Convert to fraction form
    3,612.40/4,984.08 = 2,493.64/x
  3. Step 3: Cross multiply
    3,612.40x = 4,984.08 × 2,493.64
  4. Step 4: Simplify right side
    3,612.40x = 12,428,501.25
  5. Step 5: Solve for x
    x = 12,428,501.25/3,612.40
  6. Step 6: Final answer
    x = 3,440.51

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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.