Home / 2,047.95-2,825.55-1,261.44

Finding the Fourth Proportional to 2,047.95, 2,825.55 and 1,261.44

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Solution

The fourth proportional to 2,047.95, 2,825.55 and 1,261.44 is: 1,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,047.95 : 2,825.55 = 1,261.44 : x
  2. Step 2: Convert to fraction form
    2,047.95/2,825.55 = 1,261.44/x
  3. Step 3: Cross multiply
    2,047.95x = 2,825.55 × 1,261.44
  4. Step 4: Simplify right side
    2,047.95x = 3,564,261.79
  5. Step 5: Solve for x
    x = 3,564,261.79/2,047.95
  6. Step 6: Final answer
    x = 1,740.40

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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.