Home / 2,948.67-4,070.25-1,769.72

Finding the Fourth Proportional to 2,948.67, 4,070.25 and 1,769.72

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Solution

The fourth proportional to 2,948.67, 4,070.25 and 1,769.72 is: 2,442.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.67 : 4,070.25 = 1,769.72 : x
  2. Step 2: Convert to fraction form
    2,948.67/4,070.25 = 1,769.72/x
  3. Step 3: Cross multiply
    2,948.67x = 4,070.25 × 1,769.72
  4. Step 4: Simplify right side
    2,948.67x = 7,203,182.48
  5. Step 5: Solve for x
    x = 7,203,182.48/2,948.67
  6. Step 6: Final answer
    x = 2,442.86

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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.