Home / 2,587.14-3,569.67-2,169.18

Finding the Fourth Proportional to 2,587.14, 3,569.67 and 2,169.18

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Solution

The fourth proportional to 2,587.14, 3,569.67 and 2,169.18 is: 2,992.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587.14 : 3,569.67 = 2,169.18 : x
  2. Step 2: Convert to fraction form
    2,587.14/3,569.67 = 2,169.18/x
  3. Step 3: Cross multiply
    2,587.14x = 3,569.67 × 2,169.18
  4. Step 4: Simplify right side
    2,587.14x = 7,743,256.77
  5. Step 5: Solve for x
    x = 7,743,256.77/2,587.14
  6. Step 6: Final answer
    x = 2,992.98

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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.