Home / 3,672.36-5,070.40-2,479.16

Finding the Fourth Proportional to 3,672.36, 5,070.40 and 2,479.16

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Solution

The fourth proportional to 3,672.36, 5,070.40 and 2,479.16 is: 3,422.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.36 : 5,070.40 = 2,479.16 : x
  2. Step 2: Convert to fraction form
    3,672.36/5,070.40 = 2,479.16/x
  3. Step 3: Cross multiply
    3,672.36x = 5,070.40 × 2,479.16
  4. Step 4: Simplify right side
    3,672.36x = 12,570,332.86
  5. Step 5: Solve for x
    x = 12,570,332.86/3,672.36
  6. Step 6: Final answer
    x = 3,422.96

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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.