Home / 3,125.48-4,688.24-1,176.30

Finding the Fourth Proportional to 3,125.48, 4,688.24 and 1,176.30

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Solution

The fourth proportional to 3,125.48, 4,688.24 and 1,176.30 is: 1,764.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.48 : 4,688.24 = 1,176.30 : x
  2. Step 2: Convert to fraction form
    3,125.48/4,688.24 = 1,176.30/x
  3. Step 3: Cross multiply
    3,125.48x = 4,688.24 × 1,176.30
  4. Step 4: Simplify right side
    3,125.48x = 5,514,770.83
  5. Step 5: Solve for x
    x = 5,514,770.83/3,125.48
  6. Step 6: Final answer
    x = 1,764.46

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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.