Home / 2,898.18-3,997.35-2,149.74

Finding the Fourth Proportional to 2,898.18, 3,997.35 and 2,149.74

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Solution

The fourth proportional to 2,898.18, 3,997.35 and 2,149.74 is: 2,965.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898.18 : 3,997.35 = 2,149.74 : x
  2. Step 2: Convert to fraction form
    2,898.18/3,997.35 = 2,149.74/x
  3. Step 3: Cross multiply
    2,898.18x = 3,997.35 × 2,149.74
  4. Step 4: Simplify right side
    2,898.18x = 8,593,263.19
  5. Step 5: Solve for x
    x = 8,593,263.19/2,898.18
  6. Step 6: Final answer
    x = 2,965.06

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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.