Home / 3,140.85-4,330.08-2,300.07

Finding the Fourth Proportional to 3,140.85, 4,330.08 and 2,300.07

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Solution

The fourth proportional to 3,140.85, 4,330.08 and 2,300.07 is: 3,170.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.85 : 4,330.08 = 2,300.07 : x
  2. Step 2: Convert to fraction form
    3,140.85/4,330.08 = 2,300.07/x
  3. Step 3: Cross multiply
    3,140.85x = 4,330.08 × 2,300.07
  4. Step 4: Simplify right side
    3,140.85x = 9,959,487.11
  5. Step 5: Solve for x
    x = 9,959,487.11/3,140.85
  6. Step 6: Final answer
    x = 3,170.95

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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.