Home / 3,398.22-4,689.45-1,885.77

Finding the Fourth Proportional to 3,398.22, 4,689.45 and 1,885.77

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Solution

The fourth proportional to 3,398.22, 4,689.45 and 1,885.77 is: 2,602.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.22 : 4,689.45 = 1,885.77 : x
  2. Step 2: Convert to fraction form
    3,398.22/4,689.45 = 1,885.77/x
  3. Step 3: Cross multiply
    3,398.22x = 4,689.45 × 1,885.77
  4. Step 4: Simplify right side
    3,398.22x = 8,843,224.13
  5. Step 5: Solve for x
    x = 8,843,224.13/3,398.22
  6. Step 6: Final answer
    x = 2,602.31

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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.