Home / 3,320.07-4,985.07-2,876.70

Finding the Fourth Proportional to 3,320.07, 4,985.07 and 2,876.70

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Solution

The fourth proportional to 3,320.07, 4,985.07 and 2,876.70 is: 4,319.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.07 : 4,985.07 = 2,876.70 : x
  2. Step 2: Convert to fraction form
    3,320.07/4,985.07 = 2,876.70/x
  3. Step 3: Cross multiply
    3,320.07x = 4,985.07 × 2,876.70
  4. Step 4: Simplify right side
    3,320.07x = 14,340,550.87
  5. Step 5: Solve for x
    x = 14,340,550.87/3,320.07
  6. Step 6: Final answer
    x = 4,319.35

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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.