Home / 2,254.08-3,110.64-1,259.28

Finding the Fourth Proportional to 2,254.08, 3,110.64 and 1,259.28

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Solution

The fourth proportional to 2,254.08, 3,110.64 and 1,259.28 is: 1,737.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.08 : 3,110.64 = 1,259.28 : x
  2. Step 2: Convert to fraction form
    2,254.08/3,110.64 = 1,259.28/x
  3. Step 3: Cross multiply
    2,254.08x = 3,110.64 × 1,259.28
  4. Step 4: Simplify right side
    2,254.08x = 3,917,166.74
  5. Step 5: Solve for x
    x = 3,917,166.74/2,254.08
  6. Step 6: Final answer
    x = 1,737.81

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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.