Home / 2,925.39-4,034.79-2,085.33

Finding the Fourth Proportional to 2,925.39, 4,034.79 and 2,085.33

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Solution

The fourth proportional to 2,925.39, 4,034.79 and 2,085.33 is: 2,876.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.39 : 4,034.79 = 2,085.33 : x
  2. Step 2: Convert to fraction form
    2,925.39/4,034.79 = 2,085.33/x
  3. Step 3: Cross multiply
    2,925.39x = 4,034.79 × 2,085.33
  4. Step 4: Simplify right side
    2,925.39x = 8,413,868.63
  5. Step 5: Solve for x
    x = 8,413,868.63/2,925.39
  6. Step 6: Final answer
    x = 2,876.15

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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.