Home / 3,137.48-4,329.15-1,810.70

Finding the Fourth Proportional to 3,137.48, 4,329.15 and 1,810.70

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Solution

The fourth proportional to 3,137.48, 4,329.15 and 1,810.70 is: 2,498.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.48 : 4,329.15 = 1,810.70 : x
  2. Step 2: Convert to fraction form
    3,137.48/4,329.15 = 1,810.70/x
  3. Step 3: Cross multiply
    3,137.48x = 4,329.15 × 1,810.70
  4. Step 4: Simplify right side
    3,137.48x = 7,838,791.91
  5. Step 5: Solve for x
    x = 7,838,791.91/3,137.48
  6. Step 6: Final answer
    x = 2,498.44

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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.