Home / 1,416.50-2,123.07-1,068.68

Finding the Fourth Proportional to 1,416.50, 2,123.07 and 1,068.68

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Solution

The fourth proportional to 1,416.50, 2,123.07 and 1,068.68 is: 1,601.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416.50 : 2,123.07 = 1,068.68 : x
  2. Step 2: Convert to fraction form
    1,416.50/2,123.07 = 1,068.68/x
  3. Step 3: Cross multiply
    1,416.50x = 2,123.07 × 1,068.68
  4. Step 4: Simplify right side
    1,416.50x = 2,268,882.45
  5. Step 5: Solve for x
    x = 2,268,882.45/1,416.50
  6. Step 6: Final answer
    x = 1,601.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.