Home / 2,587.11-3,567.12-2,113.26

Finding the Fourth Proportional to 2,587.11, 3,567.12 and 2,113.26

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Solution

The fourth proportional to 2,587.11, 3,567.12 and 2,113.26 is: 2,913.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587.11 : 3,567.12 = 2,113.26 : x
  2. Step 2: Convert to fraction form
    2,587.11/3,567.12 = 2,113.26/x
  3. Step 3: Cross multiply
    2,587.11x = 3,567.12 × 2,113.26
  4. Step 4: Simplify right side
    2,587.11x = 7,538,252.01
  5. Step 5: Solve for x
    x = 7,538,252.01/2,587.11
  6. Step 6: Final answer
    x = 2,913.77

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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.