Home / 3,016.89-4,158.95-2,117.89

Finding the Fourth Proportional to 3,016.89, 4,158.95 and 2,117.89

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Solution

The fourth proportional to 3,016.89, 4,158.95 and 2,117.89 is: 2,919.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016.89 : 4,158.95 = 2,117.89 : x
  2. Step 2: Convert to fraction form
    3,016.89/4,158.95 = 2,117.89/x
  3. Step 3: Cross multiply
    3,016.89x = 4,158.95 × 2,117.89
  4. Step 4: Simplify right side
    3,016.89x = 8,808,203.12
  5. Step 5: Solve for x
    x = 8,808,203.12/3,016.89
  6. Step 6: Final answer
    x = 2,919.63

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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.