Home / 2,353.78-3,248.19-1,277.04

Finding the Fourth Proportional to 2,353.78, 3,248.19 and 1,277.04

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Solution

The fourth proportional to 2,353.78, 3,248.19 and 1,277.04 is: 1,762.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,353.78 : 3,248.19 = 1,277.04 : x
  2. Step 2: Convert to fraction form
    2,353.78/3,248.19 = 1,277.04/x
  3. Step 3: Cross multiply
    2,353.78x = 3,248.19 × 1,277.04
  4. Step 4: Simplify right side
    2,353.78x = 4,148,045.93
  5. Step 5: Solve for x
    x = 4,148,045.93/2,353.78
  6. Step 6: Final answer
    x = 1,762.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.