Home / 3,055.48-4,216.56-1,658.23

Finding the Fourth Proportional to 3,055.48, 4,216.56 and 1,658.23

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Solution

The fourth proportional to 3,055.48, 4,216.56 and 1,658.23 is: 2,288.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055.48 : 4,216.56 = 1,658.23 : x
  2. Step 2: Convert to fraction form
    3,055.48/4,216.56 = 1,658.23/x
  3. Step 3: Cross multiply
    3,055.48x = 4,216.56 × 1,658.23
  4. Step 4: Simplify right side
    3,055.48x = 6,992,026.29
  5. Step 5: Solve for x
    x = 6,992,026.29/3,055.48
  6. Step 6: Final answer
    x = 2,288.36

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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.