Home / 1,472.40-2,193.96-1,416.60

Finding the Fourth Proportional to 1,472.40, 2,193.96 and 1,416.60

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Solution

The fourth proportional to 1,472.40, 2,193.96 and 1,416.60 is: 2,110.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.40 : 2,193.96 = 1,416.60 : x
  2. Step 2: Convert to fraction form
    1,472.40/2,193.96 = 1,416.60/x
  3. Step 3: Cross multiply
    1,472.40x = 2,193.96 × 1,416.60
  4. Step 4: Simplify right side
    1,472.40x = 3,107,963.74
  5. Step 5: Solve for x
    x = 3,107,963.74/1,472.40
  6. Step 6: Final answer
    x = 2,110.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.