Home / 2,191.37-3,024.38-1,394.77

Finding the Fourth Proportional to 2,191.37, 3,024.38 and 1,394.77

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Solution

The fourth proportional to 2,191.37, 3,024.38 and 1,394.77 is: 1,924.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191.37 : 3,024.38 = 1,394.77 : x
  2. Step 2: Convert to fraction form
    2,191.37/3,024.38 = 1,394.77/x
  3. Step 3: Cross multiply
    2,191.37x = 3,024.38 × 1,394.77
  4. Step 4: Simplify right side
    2,191.37x = 4,218,307.52
  5. Step 5: Solve for x
    x = 4,218,307.52/2,191.37
  6. Step 6: Final answer
    x = 1,924.97

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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.