Home / 1,257.05-1,875.33-1,224.83

Finding the Fourth Proportional to 1,257.05, 1,875.33 and 1,224.83

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Solution

The fourth proportional to 1,257.05, 1,875.33 and 1,224.83 is: 1,827.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257.05 : 1,875.33 = 1,224.83 : x
  2. Step 2: Convert to fraction form
    1,257.05/1,875.33 = 1,224.83/x
  3. Step 3: Cross multiply
    1,257.05x = 1,875.33 × 1,224.83
  4. Step 4: Simplify right side
    1,257.05x = 2,296,960.44
  5. Step 5: Solve for x
    x = 2,296,960.44/1,257.05
  6. Step 6: Final answer
    x = 1,827.26

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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.