Home / 1,192.23-1,787.60-461.48

Finding the Fourth Proportional to 1,192.23, 1,787.60 and 461.48

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Solution

The fourth proportional to 1,192.23, 1,787.60 and 461.48 is: 691.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192.23 : 1,787.60 = 461.48 : x
  2. Step 2: Convert to fraction form
    1,192.23/1,787.60 = 461.48/x
  3. Step 3: Cross multiply
    1,192.23x = 1,787.60 × 461.48
  4. Step 4: Simplify right side
    1,192.23x = 824,933.86
  5. Step 5: Solve for x
    x = 824,933.86/1,192.23
  6. Step 6: Final answer
    x = 691.93

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1.5x scale

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.