Home / 2,113.49-2,915.33-1,273.66

Finding the Fourth Proportional to 2,113.49, 2,915.33 and 1,273.66

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Solution

The fourth proportional to 2,113.49, 2,915.33 and 1,273.66 is: 1,756.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113.49 : 2,915.33 = 1,273.66 : x
  2. Step 2: Convert to fraction form
    2,113.49/2,915.33 = 1,273.66/x
  3. Step 3: Cross multiply
    2,113.49x = 2,915.33 × 1,273.66
  4. Step 4: Simplify right side
    2,113.49x = 3,713,125.55
  5. Step 5: Solve for x
    x = 3,713,125.55/2,113.49
  6. Step 6: Final answer
    x = 1,756.87

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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.