Home / 1,254.75-1,886.40-1,152.29

Finding the Fourth Proportional to 1,254.75, 1,886.40 and 1,152.29

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Solution

The fourth proportional to 1,254.75, 1,886.40 and 1,152.29 is: 1,732.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254.75 : 1,886.40 = 1,152.29 : x
  2. Step 2: Convert to fraction form
    1,254.75/1,886.40 = 1,152.29/x
  3. Step 3: Cross multiply
    1,254.75x = 1,886.40 × 1,152.29
  4. Step 4: Simplify right side
    1,254.75x = 2,173,670.42
  5. Step 5: Solve for x
    x = 2,173,670.42/1,254.75
  6. Step 6: Final answer
    x = 1,732.35

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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.