Home / 3,670.47-5,505.93-1,479.20

Finding the Fourth Proportional to 3,670.47, 5,505.93 and 1,479.20

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Solution

The fourth proportional to 3,670.47, 5,505.93 and 1,479.20 is: 2,218.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.47 : 5,505.93 = 1,479.20 : x
  2. Step 2: Convert to fraction form
    3,670.47/5,505.93 = 1,479.20/x
  3. Step 3: Cross multiply
    3,670.47x = 5,505.93 × 1,479.20
  4. Step 4: Simplify right side
    3,670.47x = 8,144,371.66
  5. Step 5: Solve for x
    x = 8,144,371.66/3,670.47
  6. Step 6: Final answer
    x = 2,218.89

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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.