Home / 3,377.01-4,657.21-2,118.18

Finding the Fourth Proportional to 3,377.01, 4,657.21 and 2,118.18

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Solution

The fourth proportional to 3,377.01, 4,657.21 and 2,118.18 is: 2,921.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,377.01 : 4,657.21 = 2,118.18 : x
  2. Step 2: Convert to fraction form
    3,377.01/4,657.21 = 2,118.18/x
  3. Step 3: Cross multiply
    3,377.01x = 4,657.21 × 2,118.18
  4. Step 4: Simplify right side
    3,377.01x = 9,864,803.78
  5. Step 5: Solve for x
    x = 9,864,803.78/3,377.01
  6. Step 6: Final answer
    x = 2,921.17

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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.