Home / 3,518.28-4,859.22-2,397.30

Finding the Fourth Proportional to 3,518.28, 4,859.22 and 2,397.30

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Solution

The fourth proportional to 3,518.28, 4,859.22 and 2,397.30 is: 3,311.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.28 : 4,859.22 = 2,397.30 : x
  2. Step 2: Convert to fraction form
    3,518.28/4,859.22 = 2,397.30/x
  3. Step 3: Cross multiply
    3,518.28x = 4,859.22 × 2,397.30
  4. Step 4: Simplify right side
    3,518.28x = 11,649,008.11
  5. Step 5: Solve for x
    x = 11,649,008.11/3,518.28
  6. Step 6: Final answer
    x = 3,311.00

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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.