Home / 1,776.60-2,448.88-1,402.96

Finding the Fourth Proportional to 1,776.60, 2,448.88 and 1,402.96

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Solution

The fourth proportional to 1,776.60, 2,448.88 and 1,402.96 is: 1,933.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776.60 : 2,448.88 = 1,402.96 : x
  2. Step 2: Convert to fraction form
    1,776.60/2,448.88 = 1,402.96/x
  3. Step 3: Cross multiply
    1,776.60x = 2,448.88 × 1,402.96
  4. Step 4: Simplify right side
    1,776.60x = 3,435,680.68
  5. Step 5: Solve for x
    x = 3,435,680.68/1,776.60
  6. Step 6: Final answer
    x = 1,933.85

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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.