Home / 3,559.60-4,923.48-3,145.60

Finding the Fourth Proportional to 3,559.60, 4,923.48 and 3,145.60

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Solution

The fourth proportional to 3,559.60, 4,923.48 and 3,145.60 is: 4,350.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.60 : 4,923.48 = 3,145.60 : x
  2. Step 2: Convert to fraction form
    3,559.60/4,923.48 = 3,145.60/x
  3. Step 3: Cross multiply
    3,559.60x = 4,923.48 × 3,145.60
  4. Step 4: Simplify right side
    3,559.60x = 15,487,298.69
  5. Step 5: Solve for x
    x = 15,487,298.69/3,559.60
  6. Step 6: Final answer
    x = 4,350.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.