Home / 1,474.56-2,199.36-1,266.72

Finding the Fourth Proportional to 1,474.56, 2,199.36 and 1,266.72

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Solution

The fourth proportional to 1,474.56, 2,199.36 and 1,266.72 is: 1,889.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.56 : 2,199.36 = 1,266.72 : x
  2. Step 2: Convert to fraction form
    1,474.56/2,199.36 = 1,266.72/x
  3. Step 3: Cross multiply
    1,474.56x = 2,199.36 × 1,266.72
  4. Step 4: Simplify right side
    1,474.56x = 2,785,973.30
  5. Step 5: Solve for x
    x = 2,785,973.30/1,474.56
  6. Step 6: Final answer
    x = 1,889.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.