Home / 2,337.42-3,222.27-1,917.18

Finding the Fourth Proportional to 2,337.42, 3,222.27 and 1,917.18

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Solution

The fourth proportional to 2,337.42, 3,222.27 and 1,917.18 is: 2,642.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,337.42 : 3,222.27 = 1,917.18 : x
  2. Step 2: Convert to fraction form
    2,337.42/3,222.27 = 1,917.18/x
  3. Step 3: Cross multiply
    2,337.42x = 3,222.27 × 1,917.18
  4. Step 4: Simplify right side
    2,337.42x = 6,177,671.60
  5. Step 5: Solve for x
    x = 6,177,671.60/2,337.42
  6. Step 6: Final answer
    x = 2,642.94

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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.