Home / 2,337.20-3,225.98-1,393.68

Finding the Fourth Proportional to 2,337.20, 3,225.98 and 1,393.68

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Solution

The fourth proportional to 2,337.20, 3,225.98 and 1,393.68 is: 1,923.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,337.20 : 3,225.98 = 1,393.68 : x
  2. Step 2: Convert to fraction form
    2,337.20/3,225.98 = 1,393.68/x
  3. Step 3: Cross multiply
    2,337.20x = 3,225.98 × 1,393.68
  4. Step 4: Simplify right side
    2,337.20x = 4,495,982.48
  5. Step 5: Solve for x
    x = 4,495,982.48/2,337.20
  6. Step 6: Final answer
    x = 1,923.66

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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.