Home / 2,948.65-4,070.18-2,067.05

Finding the Fourth Proportional to 2,948.65, 4,070.18 and 2,067.05

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Solution

The fourth proportional to 2,948.65, 4,070.18 and 2,067.05 is: 2,853.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.65 : 4,070.18 = 2,067.05 : x
  2. Step 2: Convert to fraction form
    2,948.65/4,070.18 = 2,067.05/x
  3. Step 3: Cross multiply
    2,948.65x = 4,070.18 × 2,067.05
  4. Step 4: Simplify right side
    2,948.65x = 8,413,265.57
  5. Step 5: Solve for x
    x = 8,413,265.57/2,948.65
  6. Step 6: Final answer
    x = 2,853.26

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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.