Home / 2,914.11-4,021.47-1,587.83

Finding the Fourth Proportional to 2,914.11, 4,021.47 and 1,587.83

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Solution

The fourth proportional to 2,914.11, 4,021.47 and 1,587.83 is: 2,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.11 : 4,021.47 = 1,587.83 : x
  2. Step 2: Convert to fraction form
    2,914.11/4,021.47 = 1,587.83/x
  3. Step 3: Cross multiply
    2,914.11x = 4,021.47 × 1,587.83
  4. Step 4: Simplify right side
    2,914.11x = 6,385,410.71
  5. Step 5: Solve for x
    x = 6,385,410.71/2,914.11
  6. Step 6: Final answer
    x = 2,191.20

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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.