Home / 2,658.77-4,008.05-2,480.36

Finding the Fourth Proportional to 2,658.77, 4,008.05 and 2,480.36

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Solution

The fourth proportional to 2,658.77, 4,008.05 and 2,480.36 is: 3,739.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,658.77 : 4,008.05 = 2,480.36 : x
  2. Step 2: Convert to fraction form
    2,658.77/4,008.05 = 2,480.36/x
  3. Step 3: Cross multiply
    2,658.77x = 4,008.05 × 2,480.36
  4. Step 4: Simplify right side
    2,658.77x = 9,941,423.12
  5. Step 5: Solve for x
    x = 9,941,423.12/2,658.77
  6. Step 6: Final answer
    x = 3,739.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.