Home / 2,914.22-4,021.65-1,587.93

Finding the Fourth Proportional to 2,914.22, 4,021.65 and 1,587.93

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Solution

The fourth proportional to 2,914.22, 4,021.65 and 1,587.93 is: 2,191.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.22 : 4,021.65 = 1,587.93 : x
  2. Step 2: Convert to fraction form
    2,914.22/4,021.65 = 1,587.93/x
  3. Step 3: Cross multiply
    2,914.22x = 4,021.65 × 1,587.93
  4. Step 4: Simplify right side
    2,914.22x = 6,386,098.68
  5. Step 5: Solve for x
    x = 6,386,098.68/2,914.22
  6. Step 6: Final answer
    x = 2,191.36

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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.