Home / 2,826.12-3,899.67-1,567.11

Finding the Fourth Proportional to 2,826.12, 3,899.67 and 1,567.11

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Solution

The fourth proportional to 2,826.12, 3,899.67 and 1,567.11 is: 2,162.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.12 : 3,899.67 = 1,567.11 : x
  2. Step 2: Convert to fraction form
    2,826.12/3,899.67 = 1,567.11/x
  3. Step 3: Cross multiply
    2,826.12x = 3,899.67 × 1,567.11
  4. Step 4: Simplify right side
    2,826.12x = 6,111,211.85
  5. Step 5: Solve for x
    x = 6,111,211.85/2,826.12
  6. Step 6: Final answer
    x = 2,162.40

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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.