Home / 2,260.76-3,118.12-1,946.57

Finding the Fourth Proportional to 2,260.76, 3,118.12 and 1,946.57

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Solution

The fourth proportional to 2,260.76, 3,118.12 and 1,946.57 is: 2,684.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.76 : 3,118.12 = 1,946.57 : x
  2. Step 2: Convert to fraction form
    2,260.76/3,118.12 = 1,946.57/x
  3. Step 3: Cross multiply
    2,260.76x = 3,118.12 × 1,946.57
  4. Step 4: Simplify right side
    2,260.76x = 6,069,618.39
  5. Step 5: Solve for x
    x = 6,069,618.39/2,260.76
  6. Step 6: Final answer
    x = 2,684.77

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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.