Home / 2,126.86-3,189.93-587.50

Finding the Fourth Proportional to 2,126.86, 3,189.93 and 587.50

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Solution

The fourth proportional to 2,126.86, 3,189.93 and 587.50 is: 881.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.86 : 3,189.93 = 587.50 : x
  2. Step 2: Convert to fraction form
    2,126.86/3,189.93 = 587.50/x
  3. Step 3: Cross multiply
    2,126.86x = 3,189.93 × 587.50
  4. Step 4: Simplify right side
    2,126.86x = 1,874,083.88
  5. Step 5: Solve for x
    x = 1,874,083.88/2,126.86
  6. Step 6: Final answer
    x = 881.15

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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.