Home / 3,983.24-5,498.16-2,490.32

Finding the Fourth Proportional to 3,983.24, 5,498.16 and 2,490.32

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Solution

The fourth proportional to 3,983.24, 5,498.16 and 2,490.32 is: 3,437.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.24 : 5,498.16 = 2,490.32 : x
  2. Step 2: Convert to fraction form
    3,983.24/5,498.16 = 2,490.32/x
  3. Step 3: Cross multiply
    3,983.24x = 5,498.16 × 2,490.32
  4. Step 4: Simplify right side
    3,983.24x = 13,692,177.81
  5. Step 5: Solve for x
    x = 13,692,177.81/3,983.24
  6. Step 6: Final answer
    x = 3,437.45

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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.