Home / 2,311.07-3,448.85-2,002.46

Finding the Fourth Proportional to 2,311.07, 3,448.85 and 2,002.46

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Solution

The fourth proportional to 2,311.07, 3,448.85 and 2,002.46 is: 2,988.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.07 : 3,448.85 = 2,002.46 : x
  2. Step 2: Convert to fraction form
    2,311.07/3,448.85 = 2,002.46/x
  3. Step 3: Cross multiply
    2,311.07x = 3,448.85 × 2,002.46
  4. Step 4: Simplify right side
    2,311.07x = 6,906,156.91
  5. Step 5: Solve for x
    x = 6,906,156.91/2,311.07
  6. Step 6: Final answer
    x = 2,988.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.