Home / 2,770.16-3,826.76-2,214.32

Finding the Fourth Proportional to 2,770.16, 3,826.76 and 2,214.32

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Solution

The fourth proportional to 2,770.16, 3,826.76 and 2,214.32 is: 3,058.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.16 : 3,826.76 = 2,214.32 : x
  2. Step 2: Convert to fraction form
    2,770.16/3,826.76 = 2,214.32/x
  3. Step 3: Cross multiply
    2,770.16x = 3,826.76 × 2,214.32
  4. Step 4: Simplify right side
    2,770.16x = 8,473,671.20
  5. Step 5: Solve for x
    x = 8,473,671.20/2,770.16
  6. Step 6: Final answer
    x = 3,058.91

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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.