Home / 2,845.61-3,927.17-1,587.08

Finding the Fourth Proportional to 2,845.61, 3,927.17 and 1,587.08

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Solution

The fourth proportional to 2,845.61, 3,927.17 and 1,587.08 is: 2,190.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.61 : 3,927.17 = 1,587.08 : x
  2. Step 2: Convert to fraction form
    2,845.61/3,927.17 = 1,587.08/x
  3. Step 3: Cross multiply
    2,845.61x = 3,927.17 × 1,587.08
  4. Step 4: Simplify right side
    2,845.61x = 6,232,713.33
  5. Step 5: Solve for x
    x = 6,232,713.33/2,845.61
  6. Step 6: Final answer
    x = 2,190.29

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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.