Home / 3,081.58-4,617.68-1,437.68

Finding the Fourth Proportional to 3,081.58, 4,617.68 and 1,437.68

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Solution

The fourth proportional to 3,081.58, 4,617.68 and 1,437.68 is: 2,154.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.58 : 4,617.68 = 1,437.68 : x
  2. Step 2: Convert to fraction form
    3,081.58/4,617.68 = 1,437.68/x
  3. Step 3: Cross multiply
    3,081.58x = 4,617.68 × 1,437.68
  4. Step 4: Simplify right side
    3,081.58x = 6,638,750.54
  5. Step 5: Solve for x
    x = 6,638,750.54/3,081.58
  6. Step 6: Final answer
    x = 2,154.34

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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.