Home / 3,056.06-4,217.38-1,658.81

Finding the Fourth Proportional to 3,056.06, 4,217.38 and 1,658.81

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Solution

The fourth proportional to 3,056.06, 4,217.38 and 1,658.81 is: 2,289.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056.06 : 4,217.38 = 1,658.81 : x
  2. Step 2: Convert to fraction form
    3,056.06/4,217.38 = 1,658.81/x
  3. Step 3: Cross multiply
    3,056.06x = 4,217.38 × 1,658.81
  4. Step 4: Simplify right side
    3,056.06x = 6,995,806.88
  5. Step 5: Solve for x
    x = 6,995,806.88/3,056.06
  6. Step 6: Final answer
    x = 2,289.16

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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.