Home / 1,256.50-1,886.69-1,201.04

Finding the Fourth Proportional to 1,256.50, 1,886.69 and 1,201.04

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Solution

The fourth proportional to 1,256.50, 1,886.69 and 1,201.04 is: 1,803.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256.50 : 1,886.69 = 1,201.04 : x
  2. Step 2: Convert to fraction form
    1,256.50/1,886.69 = 1,201.04/x
  3. Step 3: Cross multiply
    1,256.50x = 1,886.69 × 1,201.04
  4. Step 4: Simplify right side
    1,256.50x = 2,265,990.16
  5. Step 5: Solve for x
    x = 2,265,990.16/1,256.50
  6. Step 6: Final answer
    x = 1,803.41

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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.