Home / 1,628.19-2,247.92-1,254.46

Finding the Fourth Proportional to 1,628.19, 2,247.92 and 1,254.46

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Solution

The fourth proportional to 1,628.19, 2,247.92 and 1,254.46 is: 1,731.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.19 : 2,247.92 = 1,254.46 : x
  2. Step 2: Convert to fraction form
    1,628.19/2,247.92 = 1,254.46/x
  3. Step 3: Cross multiply
    1,628.19x = 2,247.92 × 1,254.46
  4. Step 4: Simplify right side
    1,628.19x = 2,819,925.72
  5. Step 5: Solve for x
    x = 2,819,925.72/1,628.19
  6. Step 6: Final answer
    x = 1,731.94

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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.