Home / 1,176.08-1,621.92-1,010.24

Finding the Fourth Proportional to 1,176.08, 1,621.92 and 1,010.24

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Solution

The fourth proportional to 1,176.08, 1,621.92 and 1,010.24 is: 1,393.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176.08 : 1,621.92 = 1,010.24 : x
  2. Step 2: Convert to fraction form
    1,176.08/1,621.92 = 1,010.24/x
  3. Step 3: Cross multiply
    1,176.08x = 1,621.92 × 1,010.24
  4. Step 4: Simplify right side
    1,176.08x = 1,638,528.46
  5. Step 5: Solve for x
    x = 1,638,528.46/1,176.08
  6. Step 6: Final answer
    x = 1,393.21

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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.