Home / 1,256.41-1,735.22-1,119.02

Finding the Fourth Proportional to 1,256.41, 1,735.22 and 1,119.02

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Solution

The fourth proportional to 1,256.41, 1,735.22 and 1,119.02 is: 1,545.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256.41 : 1,735.22 = 1,119.02 : x
  2. Step 2: Convert to fraction form
    1,256.41/1,735.22 = 1,119.02/x
  3. Step 3: Cross multiply
    1,256.41x = 1,735.22 × 1,119.02
  4. Step 4: Simplify right side
    1,256.41x = 1,941,740.01
  5. Step 5: Solve for x
    x = 1,941,740.01/1,256.41
  6. Step 6: Final answer
    x = 1,545.47

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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.