Home / 2,972.42-4,102.34-2,263.26

Finding the Fourth Proportional to 2,972.42, 4,102.34 and 2,263.26

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Solution

The fourth proportional to 2,972.42, 4,102.34 and 2,263.26 is: 3,123.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.42 : 4,102.34 = 2,263.26 : x
  2. Step 2: Convert to fraction form
    2,972.42/4,102.34 = 2,263.26/x
  3. Step 3: Cross multiply
    2,972.42x = 4,102.34 × 2,263.26
  4. Step 4: Simplify right side
    2,972.42x = 9,284,650.71
  5. Step 5: Solve for x
    x = 9,284,650.71/2,972.42
  6. Step 6: Final answer
    x = 3,123.61

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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.