Home / 2,743.08-4,088.55-2,587.38

Finding the Fourth Proportional to 2,743.08, 4,088.55 and 2,587.38

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Solution

The fourth proportional to 2,743.08, 4,088.55 and 2,587.38 is: 3,856.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.08 : 4,088.55 = 2,587.38 : x
  2. Step 2: Convert to fraction form
    2,743.08/4,088.55 = 2,587.38/x
  3. Step 3: Cross multiply
    2,743.08x = 4,088.55 × 2,587.38
  4. Step 4: Simplify right side
    2,743.08x = 10,578,632.50
  5. Step 5: Solve for x
    x = 10,578,632.50/2,743.08
  6. Step 6: Final answer
    x = 3,856.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.