Home / 3,377.03-4,659.03-2,117.57

Finding the Fourth Proportional to 3,377.03, 4,659.03 and 2,117.57

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Solution

The fourth proportional to 3,377.03, 4,659.03 and 2,117.57 is: 2,921.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,377.03 : 4,659.03 = 2,117.57 : x
  2. Step 2: Convert to fraction form
    3,377.03/4,659.03 = 2,117.57/x
  3. Step 3: Cross multiply
    3,377.03x = 4,659.03 × 2,117.57
  4. Step 4: Simplify right side
    3,377.03x = 9,865,798.86
  5. Step 5: Solve for x
    x = 9,865,798.86/3,377.03
  6. Step 6: Final answer
    x = 2,921.45

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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.