Home / 2,459.00-3,397.28-2,089.85

Finding the Fourth Proportional to 2,459.00, 3,397.28 and 2,089.85

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Solution

The fourth proportional to 2,459.00, 3,397.28 and 2,089.85 is: 2,887.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,459.00 : 3,397.28 = 2,089.85 : x
  2. Step 2: Convert to fraction form
    2,459.00/3,397.28 = 2,089.85/x
  3. Step 3: Cross multiply
    2,459.00x = 3,397.28 × 2,089.85
  4. Step 4: Simplify right side
    2,459.00x = 7,099,778.17
  5. Step 5: Solve for x
    x = 7,099,778.17/2,459.00
  6. Step 6: Final answer
    x = 2,887.26

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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.