Home / 2,126.07-3,189.27-587.07

Finding the Fourth Proportional to 2,126.07, 3,189.27 and 587.07

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Solution

The fourth proportional to 2,126.07, 3,189.27 and 587.07 is: 880.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.07 : 3,189.27 = 587.07 : x
  2. Step 2: Convert to fraction form
    2,126.07/3,189.27 = 587.07/x
  3. Step 3: Cross multiply
    2,126.07x = 3,189.27 × 587.07
  4. Step 4: Simplify right side
    2,126.07x = 1,872,324.74
  5. Step 5: Solve for x
    x = 1,872,324.74/2,126.07
  6. Step 6: Final answer
    x = 880.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.