Home / 2,733.40-3,771.76-1,554.28

Finding the Fourth Proportional to 2,733.40, 3,771.76 and 1,554.28

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Solution

The fourth proportional to 2,733.40, 3,771.76 and 1,554.28 is: 2,144.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,733.40 : 3,771.76 = 1,554.28 : x
  2. Step 2: Convert to fraction form
    2,733.40/3,771.76 = 1,554.28/x
  3. Step 3: Cross multiply
    2,733.40x = 3,771.76 × 1,554.28
  4. Step 4: Simplify right side
    2,733.40x = 5,862,371.13
  5. Step 5: Solve for x
    x = 5,862,371.13/2,733.40
  6. Step 6: Final answer
    x = 2,144.72

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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.