Home / 3,382.24-4,658.16-3,140.32

Finding the Fourth Proportional to 3,382.24, 4,658.16 and 3,140.32

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Solution

The fourth proportional to 3,382.24, 4,658.16 and 3,140.32 is: 4,324.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382.24 : 4,658.16 = 3,140.32 : x
  2. Step 2: Convert to fraction form
    3,382.24/4,658.16 = 3,140.32/x
  3. Step 3: Cross multiply
    3,382.24x = 4,658.16 × 3,140.32
  4. Step 4: Simplify right side
    3,382.24x = 14,628,113.01
  5. Step 5: Solve for x
    x = 14,628,113.01/3,382.24
  6. Step 6: Final answer
    x = 4,324.98

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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.