Home / 2,259.96-3,118.84-1,265.24

Finding the Fourth Proportional to 2,259.96, 3,118.84 and 1,265.24

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Solution

The fourth proportional to 2,259.96, 3,118.84 and 1,265.24 is: 1,746.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.96 : 3,118.84 = 1,265.24 : x
  2. Step 2: Convert to fraction form
    2,259.96/3,118.84 = 1,265.24/x
  3. Step 3: Cross multiply
    2,259.96x = 3,118.84 × 1,265.24
  4. Step 4: Simplify right side
    2,259.96x = 3,946,081.12
  5. Step 5: Solve for x
    x = 3,946,081.12/2,259.96
  6. Step 6: Final answer
    x = 1,746.08

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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.