Home / 2,483.12-3,726.84-1,618.40

Finding the Fourth Proportional to 2,483.12, 3,726.84 and 1,618.40

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Solution

The fourth proportional to 2,483.12, 3,726.84 and 1,618.40 is: 2,429.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,483.12 : 3,726.84 = 1,618.40 : x
  2. Step 2: Convert to fraction form
    2,483.12/3,726.84 = 1,618.40/x
  3. Step 3: Cross multiply
    2,483.12x = 3,726.84 × 1,618.40
  4. Step 4: Simplify right side
    2,483.12x = 6,031,517.86
  5. Step 5: Solve for x
    x = 6,031,517.86/2,483.12
  6. Step 6: Final answer
    x = 2,429.01

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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.