Home / 2,983.36-4,117.11-1,657

Finding the Fourth Proportional to 2,983.36, 4,117.11 and 1,657

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Solution

The fourth proportional to 2,983.36, 4,117.11 and 1,657 is: 2,286.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.36 : 4,117.11 = 1,657 : x
  2. Step 2: Convert to fraction form
    2,983.36/4,117.11 = 1,657/x
  3. Step 3: Cross multiply
    2,983.36x = 4,117.11 × 1,657
  4. Step 4: Simplify right side
    2,983.36x = 6,822,051.27
  5. Step 5: Solve for x
    x = 6,822,051.27/2,983.36
  6. Step 6: Final answer
    x = 2,286.70

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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.