Home / 3,056.09-4,217.40-1,658.84

Finding the Fourth Proportional to 3,056.09, 4,217.40 and 1,658.84

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Solution

The fourth proportional to 3,056.09, 4,217.40 and 1,658.84 is: 2,289.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056.09 : 4,217.40 = 1,658.84 : x
  2. Step 2: Convert to fraction form
    3,056.09/4,217.40 = 1,658.84/x
  3. Step 3: Cross multiply
    3,056.09x = 4,217.40 × 1,658.84
  4. Step 4: Simplify right side
    3,056.09x = 6,995,991.82
  5. Step 5: Solve for x
    x = 6,995,991.82/3,056.09
  6. Step 6: Final answer
    x = 2,289.20

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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.