Home / 2,058.78-3,088.96-1,237.62

Finding the Fourth Proportional to 2,058.78, 3,088.96 and 1,237.62

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Solution

The fourth proportional to 2,058.78, 3,088.96 and 1,237.62 is: 1,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058.78 : 3,088.96 = 1,237.62 : x
  2. Step 2: Convert to fraction form
    2,058.78/3,088.96 = 1,237.62/x
  3. Step 3: Cross multiply
    2,058.78x = 3,088.96 × 1,237.62
  4. Step 4: Simplify right side
    2,058.78x = 3,822,958.68
  5. Step 5: Solve for x
    x = 3,822,958.68/2,058.78
  6. Step 6: Final answer
    x = 1,856.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.