Home / 2,459.90-3,387.40-2,197.82

Finding the Fourth Proportional to 2,459.90, 3,387.40 and 2,197.82

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Solution

The fourth proportional to 2,459.90, 3,387.40 and 2,197.82 is: 3,026.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,459.90 : 3,387.40 = 2,197.82 : x
  2. Step 2: Convert to fraction form
    2,459.90/3,387.40 = 2,197.82/x
  3. Step 3: Cross multiply
    2,459.90x = 3,387.40 × 2,197.82
  4. Step 4: Simplify right side
    2,459.90x = 7,444,873.04
  5. Step 5: Solve for x
    x = 7,444,873.04/2,459.90
  6. Step 6: Final answer
    x = 3,026.50

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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.