Home / 3,342.32-4,609.02-2,015.24

Finding the Fourth Proportional to 3,342.32, 4,609.02 and 2,015.24

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Solution

The fourth proportional to 3,342.32, 4,609.02 and 2,015.24 is: 2,778.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.32 : 4,609.02 = 2,015.24 : x
  2. Step 2: Convert to fraction form
    3,342.32/4,609.02 = 2,015.24/x
  3. Step 3: Cross multiply
    3,342.32x = 4,609.02 × 2,015.24
  4. Step 4: Simplify right side
    3,342.32x = 9,288,281.46
  5. Step 5: Solve for x
    x = 9,288,281.46/3,342.32
  6. Step 6: Final answer
    x = 2,778.99

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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.