Home / 2,963.47-4,445.36-1,320.14

Finding the Fourth Proportional to 2,963.47, 4,445.36 and 1,320.14

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Solution

The fourth proportional to 2,963.47, 4,445.36 and 1,320.14 is: 1,980.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.47 : 4,445.36 = 1,320.14 : x
  2. Step 2: Convert to fraction form
    2,963.47/4,445.36 = 1,320.14/x
  3. Step 3: Cross multiply
    2,963.47x = 4,445.36 × 1,320.14
  4. Step 4: Simplify right side
    2,963.47x = 5,868,497.55
  5. Step 5: Solve for x
    x = 5,868,497.55/2,963.47
  6. Step 6: Final answer
    x = 1,980.28

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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.