Home / 2,983.17-4,117.73-2,146.30

Finding the Fourth Proportional to 2,983.17, 4,117.73 and 2,146.30

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Solution

The fourth proportional to 2,983.17, 4,117.73 and 2,146.30 is: 2,962.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.17 : 4,117.73 = 2,146.30 : x
  2. Step 2: Convert to fraction form
    2,983.17/4,117.73 = 2,146.30/x
  3. Step 3: Cross multiply
    2,983.17x = 4,117.73 × 2,146.30
  4. Step 4: Simplify right side
    2,983.17x = 8,837,903.17
  5. Step 5: Solve for x
    x = 8,837,903.17/2,983.17
  6. Step 6: Final answer
    x = 2,962.59

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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.