Home / 2,260.42-3,119.35-1,265.69

Finding the Fourth Proportional to 2,260.42, 3,119.35 and 1,265.69

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Solution

The fourth proportional to 2,260.42, 3,119.35 and 1,265.69 is: 1,746.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.42 : 3,119.35 = 1,265.69 : x
  2. Step 2: Convert to fraction form
    2,260.42/3,119.35 = 1,265.69/x
  3. Step 3: Cross multiply
    2,260.42x = 3,119.35 × 1,265.69
  4. Step 4: Simplify right side
    2,260.42x = 3,948,130.10
  5. Step 5: Solve for x
    x = 3,948,130.10/2,260.42
  6. Step 6: Final answer
    x = 1,746.64

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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.