Home / 2,337.91-3,218.34-2,042.80

Finding the Fourth Proportional to 2,337.91, 3,218.34 and 2,042.80

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Solution

The fourth proportional to 2,337.91, 3,218.34 and 2,042.80 is: 2,812.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,337.91 : 3,218.34 = 2,042.80 : x
  2. Step 2: Convert to fraction form
    2,337.91/3,218.34 = 2,042.80/x
  3. Step 3: Cross multiply
    2,337.91x = 3,218.34 × 2,042.80
  4. Step 4: Simplify right side
    2,337.91x = 6,574,424.95
  5. Step 5: Solve for x
    x = 6,574,424.95/2,337.91
  6. Step 6: Final answer
    x = 2,812.09

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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.