Home / 2,587.10-3,567.13-2,113.25

Finding the Fourth Proportional to 2,587.10, 3,567.13 and 2,113.25

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Solution

The fourth proportional to 2,587.10, 3,567.13 and 2,113.25 is: 2,913.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587.10 : 3,567.13 = 2,113.25 : x
  2. Step 2: Convert to fraction form
    2,587.10/3,567.13 = 2,113.25/x
  3. Step 3: Cross multiply
    2,587.10x = 3,567.13 × 2,113.25
  4. Step 4: Simplify right side
    2,587.10x = 7,538,237.47
  5. Step 5: Solve for x
    x = 7,538,237.47/2,587.10
  6. Step 6: Final answer
    x = 2,913.78

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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.