Home / 3,429.12-4,728.18-2,367.45

Finding the Fourth Proportional to 3,429.12, 4,728.18 and 2,367.45

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Solution

The fourth proportional to 3,429.12, 4,728.18 and 2,367.45 is: 3,264.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.12 : 4,728.18 = 2,367.45 : x
  2. Step 2: Convert to fraction form
    3,429.12/4,728.18 = 2,367.45/x
  3. Step 3: Cross multiply
    3,429.12x = 4,728.18 × 2,367.45
  4. Step 4: Simplify right side
    3,429.12x = 11,193,729.74
  5. Step 5: Solve for x
    x = 11,193,729.74/3,429.12
  6. Step 6: Final answer
    x = 3,264.32

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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.