Home / 2,697.58-4,038.96-1,821.57

Finding the Fourth Proportional to 2,697.58, 4,038.96 and 1,821.57

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Solution

The fourth proportional to 2,697.58, 4,038.96 and 1,821.57 is: 2,727.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697.58 : 4,038.96 = 1,821.57 : x
  2. Step 2: Convert to fraction form
    2,697.58/4,038.96 = 1,821.57/x
  3. Step 3: Cross multiply
    2,697.58x = 4,038.96 × 1,821.57
  4. Step 4: Simplify right side
    2,697.58x = 7,357,248.37
  5. Step 5: Solve for x
    x = 7,357,248.37/2,697.58
  6. Step 6: Final answer
    x = 2,727.35

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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.