Home / 2,391.41-3,291.95-2,074.82

Finding the Fourth Proportional to 2,391.41, 3,291.95 and 2,074.82

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Solution

The fourth proportional to 2,391.41, 3,291.95 and 2,074.82 is: 2,856.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391.41 : 3,291.95 = 2,074.82 : x
  2. Step 2: Convert to fraction form
    2,391.41/3,291.95 = 2,074.82/x
  3. Step 3: Cross multiply
    2,391.41x = 3,291.95 × 2,074.82
  4. Step 4: Simplify right side
    2,391.41x = 6,830,192.43
  5. Step 5: Solve for x
    x = 6,830,192.43/2,391.41
  6. Step 6: Final answer
    x = 2,856.13

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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.