Home / 2,254.16-3,110.68-1,259.45

Finding the Fourth Proportional to 2,254.16, 3,110.68 and 1,259.45

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Solution

The fourth proportional to 2,254.16, 3,110.68 and 1,259.45 is: 1,738.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.16 : 3,110.68 = 1,259.45 : x
  2. Step 2: Convert to fraction form
    2,254.16/3,110.68 = 1,259.45/x
  3. Step 3: Cross multiply
    2,254.16x = 3,110.68 × 1,259.45
  4. Step 4: Simplify right side
    2,254.16x = 3,917,735.49
  5. Step 5: Solve for x
    x = 3,917,735.49/2,254.16
  6. Step 6: Final answer
    x = 1,738.00

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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.