Home / 2,913.44-4,020.38-1,587.06

Finding the Fourth Proportional to 2,913.44, 4,020.38 and 1,587.06

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Solution

The fourth proportional to 2,913.44, 4,020.38 and 1,587.06 is: 2,190.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.44 : 4,020.38 = 1,587.06 : x
  2. Step 2: Convert to fraction form
    2,913.44/4,020.38 = 1,587.06/x
  3. Step 3: Cross multiply
    2,913.44x = 4,020.38 × 1,587.06
  4. Step 4: Simplify right side
    2,913.44x = 6,380,584.28
  5. Step 5: Solve for x
    x = 6,380,584.28/2,913.44
  6. Step 6: Final answer
    x = 2,190.05

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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.