Home / 1,531.44-2,308.47-1,442.25

Finding the Fourth Proportional to 1,531.44, 2,308.47 and 1,442.25

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Solution

The fourth proportional to 1,531.44, 2,308.47 and 1,442.25 is: 2,174.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531.44 : 2,308.47 = 1,442.25 : x
  2. Step 2: Convert to fraction form
    1,531.44/2,308.47 = 1,442.25/x
  3. Step 3: Cross multiply
    1,531.44x = 2,308.47 × 1,442.25
  4. Step 4: Simplify right side
    1,531.44x = 3,329,390.86
  5. Step 5: Solve for x
    x = 3,329,390.86/1,531.44
  6. Step 6: Final answer
    x = 2,174.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.