Home / 3,621.65-5,432.98-1,155.63

Finding the Fourth Proportional to 3,621.65, 5,432.98 and 1,155.63

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Solution

The fourth proportional to 3,621.65, 5,432.98 and 1,155.63 is: 1,733.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.65 : 5,432.98 = 1,155.63 : x
  2. Step 2: Convert to fraction form
    3,621.65/5,432.98 = 1,155.63/x
  3. Step 3: Cross multiply
    3,621.65x = 5,432.98 × 1,155.63
  4. Step 4: Simplify right side
    3,621.65x = 6,278,514.68
  5. Step 5: Solve for x
    x = 6,278,514.68/3,621.65
  6. Step 6: Final answer
    x = 1,733.61

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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.