Home / 2,261.14-3,391.09-875.14

Finding the Fourth Proportional to 2,261.14, 3,391.09 and 875.14

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Solution

The fourth proportional to 2,261.14, 3,391.09 and 875.14 is: 1,312.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.14 : 3,391.09 = 875.14 : x
  2. Step 2: Convert to fraction form
    2,261.14/3,391.09 = 875.14/x
  3. Step 3: Cross multiply
    2,261.14x = 3,391.09 × 875.14
  4. Step 4: Simplify right side
    2,261.14x = 2,967,667.84
  5. Step 5: Solve for x
    x = 2,967,667.84/2,261.14
  6. Step 6: Final answer
    x = 1,312.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.