Home / 3,617.19-4,990.24-2,357.78

Finding the Fourth Proportional to 3,617.19, 4,990.24 and 2,357.78

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Solution

The fourth proportional to 3,617.19, 4,990.24 and 2,357.78 is: 3,252.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.19 : 4,990.24 = 2,357.78 : x
  2. Step 2: Convert to fraction form
    3,617.19/4,990.24 = 2,357.78/x
  3. Step 3: Cross multiply
    3,617.19x = 4,990.24 × 2,357.78
  4. Step 4: Simplify right side
    3,617.19x = 11,765,888.07
  5. Step 5: Solve for x
    x = 11,765,888.07/3,617.19
  6. Step 6: Final answer
    x = 3,252.77

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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.