Home / 3,055.50-4,216.68-1,658.34

Finding the Fourth Proportional to 3,055.50, 4,216.68 and 1,658.34

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Solution

The fourth proportional to 3,055.50, 4,216.68 and 1,658.34 is: 2,288.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055.50 : 4,216.68 = 1,658.34 : x
  2. Step 2: Convert to fraction form
    3,055.50/4,216.68 = 1,658.34/x
  3. Step 3: Cross multiply
    3,055.50x = 4,216.68 × 1,658.34
  4. Step 4: Simplify right side
    3,055.50x = 6,992,689.11
  5. Step 5: Solve for x
    x = 6,992,689.11/3,055.50
  6. Step 6: Final answer
    x = 2,288.56

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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.