Home / 3,117.90-4,677.71-1,362.58

Finding the Fourth Proportional to 3,117.90, 4,677.71 and 1,362.58

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Solution

The fourth proportional to 3,117.90, 4,677.71 and 1,362.58 is: 2,044.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.90 : 4,677.71 = 1,362.58 : x
  2. Step 2: Convert to fraction form
    3,117.90/4,677.71 = 1,362.58/x
  3. Step 3: Cross multiply
    3,117.90x = 4,677.71 × 1,362.58
  4. Step 4: Simplify right side
    3,117.90x = 6,373,754.09
  5. Step 5: Solve for x
    x = 6,373,754.09/3,117.90
  6. Step 6: Final answer
    x = 2,044.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.