Home / 2,459.15-3,397.95-1,965.86

Finding the Fourth Proportional to 2,459.15, 3,397.95 and 1,965.86

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Solution

The fourth proportional to 2,459.15, 3,397.95 and 1,965.86 is: 2,716.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,459.15 : 3,397.95 = 1,965.86 : x
  2. Step 2: Convert to fraction form
    2,459.15/3,397.95 = 1,965.86/x
  3. Step 3: Cross multiply
    2,459.15x = 3,397.95 × 1,965.86
  4. Step 4: Simplify right side
    2,459.15x = 6,679,893.99
  5. Step 5: Solve for x
    x = 6,679,893.99/2,459.15
  6. Step 6: Final answer
    x = 2,716.34

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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.