Home / 3,290.22-4,539.47-2,345.22

Finding the Fourth Proportional to 3,290.22, 4,539.47 and 2,345.22

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Solution

The fourth proportional to 3,290.22, 4,539.47 and 2,345.22 is: 3,235.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.22 : 4,539.47 = 2,345.22 : x
  2. Step 2: Convert to fraction form
    3,290.22/4,539.47 = 2,345.22/x
  3. Step 3: Cross multiply
    3,290.22x = 4,539.47 × 2,345.22
  4. Step 4: Simplify right side
    3,290.22x = 10,646,044.11
  5. Step 5: Solve for x
    x = 10,646,044.11/3,290.22
  6. Step 6: Final answer
    x = 3,235.66

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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.