Home / 1,256.24-1,886.21-1,234.10

Finding the Fourth Proportional to 1,256.24, 1,886.21 and 1,234.10

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Solution

The fourth proportional to 1,256.24, 1,886.21 and 1,234.10 is: 1,852.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256.24 : 1,886.21 = 1,234.10 : x
  2. Step 2: Convert to fraction form
    1,256.24/1,886.21 = 1,234.10/x
  3. Step 3: Cross multiply
    1,256.24x = 1,886.21 × 1,234.10
  4. Step 4: Simplify right side
    1,256.24x = 2,327,756.16
  5. Step 5: Solve for x
    x = 2,327,756.16/1,256.24
  6. Step 6: Final answer
    x = 1,852.95

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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.