Home / 3,642.48-5,461.68-1,176.72

Finding the Fourth Proportional to 3,642.48, 5,461.68 and 1,176.72

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Solution

The fourth proportional to 3,642.48, 5,461.68 and 1,176.72 is: 1,764.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.48 : 5,461.68 = 1,176.72 : x
  2. Step 2: Convert to fraction form
    3,642.48/5,461.68 = 1,176.72/x
  3. Step 3: Cross multiply
    3,642.48x = 5,461.68 × 1,176.72
  4. Step 4: Simplify right side
    3,642.48x = 6,426,868.09
  5. Step 5: Solve for x
    x = 6,426,868.09/3,642.48
  6. Step 6: Final answer
    x = 1,764.42

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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.