Home / 2,149.18-2,967.89-1,394.26

Finding the Fourth Proportional to 2,149.18, 2,967.89 and 1,394.26

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Solution

The fourth proportional to 2,149.18, 2,967.89 and 1,394.26 is: 1,925.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.18 : 2,967.89 = 1,394.26 : x
  2. Step 2: Convert to fraction form
    2,149.18/2,967.89 = 1,394.26/x
  3. Step 3: Cross multiply
    2,149.18x = 2,967.89 × 1,394.26
  4. Step 4: Simplify right side
    2,149.18x = 4,137,995.92
  5. Step 5: Solve for x
    x = 4,137,995.92/2,149.18
  6. Step 6: Final answer
    x = 1,925.39

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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.