Home / 2,620.15-3,932.04-1,693.41

Finding the Fourth Proportional to 2,620.15, 3,932.04 and 1,693.41

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Solution

The fourth proportional to 2,620.15, 3,932.04 and 1,693.41 is: 2,541.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620.15 : 3,932.04 = 1,693.41 : x
  2. Step 2: Convert to fraction form
    2,620.15/3,932.04 = 1,693.41/x
  3. Step 3: Cross multiply
    2,620.15x = 3,932.04 × 1,693.41
  4. Step 4: Simplify right side
    2,620.15x = 6,658,547.46
  5. Step 5: Solve for x
    x = 6,658,547.46/2,620.15
  6. Step 6: Final answer
    x = 2,541.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.