Home / 3,071.49-4,587.66-2,778.54

Finding the Fourth Proportional to 3,071.49, 4,587.66 and 2,778.54

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Solution

The fourth proportional to 3,071.49, 4,587.66 and 2,778.54 is: 4,150.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.49 : 4,587.66 = 2,778.54 : x
  2. Step 2: Convert to fraction form
    3,071.49/4,587.66 = 2,778.54/x
  3. Step 3: Cross multiply
    3,071.49x = 4,587.66 × 2,778.54
  4. Step 4: Simplify right side
    3,071.49x = 12,746,996.82
  5. Step 5: Solve for x
    x = 12,746,996.82/3,071.49
  6. Step 6: Final answer
    x = 4,150.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.