Home / 1,281.53-1,922.34-1,077.41

Finding the Fourth Proportional to 1,281.53, 1,922.34 and 1,077.41

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Solution

The fourth proportional to 1,281.53, 1,922.34 and 1,077.41 is: 1,616.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281.53 : 1,922.34 = 1,077.41 : x
  2. Step 2: Convert to fraction form
    1,281.53/1,922.34 = 1,077.41/x
  3. Step 3: Cross multiply
    1,281.53x = 1,922.34 × 1,077.41
  4. Step 4: Simplify right side
    1,281.53x = 2,071,148.34
  5. Step 5: Solve for x
    x = 2,071,148.34/1,281.53
  6. Step 6: Final answer
    x = 1,616.15

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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.