Home / 3,559.13-5,340.07-1,478.60

Finding the Fourth Proportional to 3,559.13, 5,340.07 and 1,478.60

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Solution

The fourth proportional to 3,559.13, 5,340.07 and 1,478.60 is: 2,218.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.13 : 5,340.07 = 1,478.60 : x
  2. Step 2: Convert to fraction form
    3,559.13/5,340.07 = 1,478.60/x
  3. Step 3: Cross multiply
    3,559.13x = 5,340.07 × 1,478.60
  4. Step 4: Simplify right side
    3,559.13x = 7,895,822.68
  5. Step 5: Solve for x
    x = 7,895,822.68/3,559.13
  6. Step 6: Final answer
    x = 2,218.47

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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.