Home / 2,264.93-3,125.79-1,270.40

Finding the Fourth Proportional to 2,264.93, 3,125.79 and 1,270.40

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Solution

The fourth proportional to 2,264.93, 3,125.79 and 1,270.40 is: 1,753.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,264.93 : 3,125.79 = 1,270.40 : x
  2. Step 2: Convert to fraction form
    2,264.93/3,125.79 = 1,270.40/x
  3. Step 3: Cross multiply
    2,264.93x = 3,125.79 × 1,270.40
  4. Step 4: Simplify right side
    2,264.93x = 3,970,987.99
  5. Step 5: Solve for x
    x = 3,970,987.99/2,264.93
  6. Step 6: Final answer
    x = 1,753.25

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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.