Home / 1,508.64-2,079.10-1,176.54

Finding the Fourth Proportional to 1,508.64, 2,079.10 and 1,176.54

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Solution

The fourth proportional to 1,508.64, 2,079.10 and 1,176.54 is: 1,621.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508.64 : 2,079.10 = 1,176.54 : x
  2. Step 2: Convert to fraction form
    1,508.64/2,079.10 = 1,176.54/x
  3. Step 3: Cross multiply
    1,508.64x = 2,079.10 × 1,176.54
  4. Step 4: Simplify right side
    1,508.64x = 2,446,130.98
  5. Step 5: Solve for x
    x = 2,446,130.98/1,508.64
  6. Step 6: Final answer
    x = 1,621.42

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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.