Home / 1,506.28-2,256.39-1,261.93

Finding the Fourth Proportional to 1,506.28, 2,256.39 and 1,261.93

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Solution

The fourth proportional to 1,506.28, 2,256.39 and 1,261.93 is: 1,890.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506.28 : 2,256.39 = 1,261.93 : x
  2. Step 2: Convert to fraction form
    1,506.28/2,256.39 = 1,261.93/x
  3. Step 3: Cross multiply
    1,506.28x = 2,256.39 × 1,261.93
  4. Step 4: Simplify right side
    1,506.28x = 2,847,404.82
  5. Step 5: Solve for x
    x = 2,847,404.82/1,506.28
  6. Step 6: Final answer
    x = 1,890.36

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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.