Home / 2,256.90-3,114.36-1,262.22

Finding the Fourth Proportional to 2,256.90, 3,114.36 and 1,262.22

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Solution

The fourth proportional to 2,256.90, 3,114.36 and 1,262.22 is: 1,741.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256.90 : 3,114.36 = 1,262.22 : x
  2. Step 2: Convert to fraction form
    2,256.90/3,114.36 = 1,262.22/x
  3. Step 3: Cross multiply
    2,256.90x = 3,114.36 × 1,262.22
  4. Step 4: Simplify right side
    2,256.90x = 3,931,007.48
  5. Step 5: Solve for x
    x = 3,931,007.48/2,256.90
  6. Step 6: Final answer
    x = 1,741.77

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1.5x scale

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.