Home / 3,133.71-4,324.01-1,875.28

Finding the Fourth Proportional to 3,133.71, 4,324.01 and 1,875.28

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Solution

The fourth proportional to 3,133.71, 4,324.01 and 1,875.28 is: 2,587.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.71 : 4,324.01 = 1,875.28 : x
  2. Step 2: Convert to fraction form
    3,133.71/4,324.01 = 1,875.28/x
  3. Step 3: Cross multiply
    3,133.71x = 4,324.01 × 1,875.28
  4. Step 4: Simplify right side
    3,133.71x = 8,108,720.10
  5. Step 5: Solve for x
    x = 8,108,720.10/3,133.71
  6. Step 6: Final answer
    x = 2,587.58

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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.