Home / 3,690.18-5,538.51-2,393.10

Finding the Fourth Proportional to 3,690.18, 5,538.51 and 2,393.10

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Solution

The fourth proportional to 3,690.18, 5,538.51 and 2,393.10 is: 3,591.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.18 : 5,538.51 = 2,393.10 : x
  2. Step 2: Convert to fraction form
    3,690.18/5,538.51 = 2,393.10/x
  3. Step 3: Cross multiply
    3,690.18x = 5,538.51 × 2,393.10
  4. Step 4: Simplify right side
    3,690.18x = 13,254,208.28
  5. Step 5: Solve for x
    x = 13,254,208.28/3,690.18
  6. Step 6: Final answer
    x = 3,591.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.