Home / 3,002.24-4,142.40-1,760.64

Finding the Fourth Proportional to 3,002.24, 4,142.40 and 1,760.64

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Solution

The fourth proportional to 3,002.24, 4,142.40 and 1,760.64 is: 2,429.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,002.24 : 4,142.40 = 1,760.64 : x
  2. Step 2: Convert to fraction form
    3,002.24/4,142.40 = 1,760.64/x
  3. Step 3: Cross multiply
    3,002.24x = 4,142.40 × 1,760.64
  4. Step 4: Simplify right side
    3,002.24x = 7,293,275.14
  5. Step 5: Solve for x
    x = 7,293,275.14/3,002.24
  6. Step 6: Final answer
    x = 2,429.28

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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.