Home / 1,182.16-1,771.80-1,035.55

Finding the Fourth Proportional to 1,182.16, 1,771.80 and 1,035.55

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Solution

The fourth proportional to 1,182.16, 1,771.80 and 1,035.55 is: 1,552.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182.16 : 1,771.80 = 1,035.55 : x
  2. Step 2: Convert to fraction form
    1,182.16/1,771.80 = 1,035.55/x
  3. Step 3: Cross multiply
    1,182.16x = 1,771.80 × 1,035.55
  4. Step 4: Simplify right side
    1,182.16x = 1,834,787.49
  5. Step 5: Solve for x
    x = 1,834,787.49/1,182.16
  6. Step 6: Final answer
    x = 1,552.06

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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.