Home / 2,337.50-3,230.34-1,917.18

Finding the Fourth Proportional to 2,337.50, 3,230.34 and 1,917.18

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Solution

The fourth proportional to 2,337.50, 3,230.34 and 1,917.18 is: 2,649.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,337.50 : 3,230.34 = 1,917.18 : x
  2. Step 2: Convert to fraction form
    2,337.50/3,230.34 = 1,917.18/x
  3. Step 3: Cross multiply
    2,337.50x = 3,230.34 × 1,917.18
  4. Step 4: Simplify right side
    2,337.50x = 6,193,143.24
  5. Step 5: Solve for x
    x = 6,193,143.24/2,337.50
  6. Step 6: Final answer
    x = 2,649.47

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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.