Home / 3,042.09-4,560.71-1,309.50

Finding the Fourth Proportional to 3,042.09, 4,560.71 and 1,309.50

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Solution

The fourth proportional to 3,042.09, 4,560.71 and 1,309.50 is: 1,963.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.09 : 4,560.71 = 1,309.50 : x
  2. Step 2: Convert to fraction form
    3,042.09/4,560.71 = 1,309.50/x
  3. Step 3: Cross multiply
    3,042.09x = 4,560.71 × 1,309.50
  4. Step 4: Simplify right side
    3,042.09x = 5,972,243.20
  5. Step 5: Solve for x
    x = 5,972,243.20/3,042.09
  6. Step 6: Final answer
    x = 1,963.20

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1.5x scale

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.