Home / 2,371.78-3,555.36-1,332.28

Finding the Fourth Proportional to 2,371.78, 3,555.36 and 1,332.28

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Solution

The fourth proportional to 2,371.78, 3,555.36 and 1,332.28 is: 1,997.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371.78 : 3,555.36 = 1,332.28 : x
  2. Step 2: Convert to fraction form
    2,371.78/3,555.36 = 1,332.28/x
  3. Step 3: Cross multiply
    2,371.78x = 3,555.36 × 1,332.28
  4. Step 4: Simplify right side
    2,371.78x = 4,736,735.02
  5. Step 5: Solve for x
    x = 4,736,735.02/2,371.78
  6. Step 6: Final answer
    x = 1,997.12

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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.