Home / 2,754.29-4,131.80-904.93

Finding the Fourth Proportional to 2,754.29, 4,131.80 and 904.93

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Solution

The fourth proportional to 2,754.29, 4,131.80 and 904.93 is: 1,357.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754.29 : 4,131.80 = 904.93 : x
  2. Step 2: Convert to fraction form
    2,754.29/4,131.80 = 904.93/x
  3. Step 3: Cross multiply
    2,754.29x = 4,131.80 × 904.93
  4. Step 4: Simplify right side
    2,754.29x = 3,738,989.77
  5. Step 5: Solve for x
    x = 3,738,989.77/2,754.29
  6. Step 6: Final answer
    x = 1,357.51

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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.