Home / 2,113.17-2,915.46-1,273.56

Finding the Fourth Proportional to 2,113.17, 2,915.46 and 1,273.56

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Solution

The fourth proportional to 2,113.17, 2,915.46 and 1,273.56 is: 1,757.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113.17 : 2,915.46 = 1,273.56 : x
  2. Step 2: Convert to fraction form
    2,113.17/2,915.46 = 1,273.56/x
  3. Step 3: Cross multiply
    2,113.17x = 2,915.46 × 1,273.56
  4. Step 4: Simplify right side
    2,113.17x = 3,713,013.24
  5. Step 5: Solve for x
    x = 3,713,013.24/2,113.17
  6. Step 6: Final answer
    x = 1,757.08

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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.