Home / 2,579.08-3,860.69-1,655.53

Finding the Fourth Proportional to 2,579.08, 3,860.69 and 1,655.53

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Solution

The fourth proportional to 2,579.08, 3,860.69 and 1,655.53 is: 2,478.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.08 : 3,860.69 = 1,655.53 : x
  2. Step 2: Convert to fraction form
    2,579.08/3,860.69 = 1,655.53/x
  3. Step 3: Cross multiply
    2,579.08x = 3,860.69 × 1,655.53
  4. Step 4: Simplify right side
    2,579.08x = 6,391,488.12
  5. Step 5: Solve for x
    x = 6,391,488.12/2,579.08
  6. Step 6: Final answer
    x = 2,478.20

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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.