Home / 2,322.20-3,206.58-1,539.74

Finding the Fourth Proportional to 2,322.20, 3,206.58 and 1,539.74

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Solution

The fourth proportional to 2,322.20, 3,206.58 and 1,539.74 is: 2,126.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,322.20 : 3,206.58 = 1,539.74 : x
  2. Step 2: Convert to fraction form
    2,322.20/3,206.58 = 1,539.74/x
  3. Step 3: Cross multiply
    2,322.20x = 3,206.58 × 1,539.74
  4. Step 4: Simplify right side
    2,322.20x = 4,937,299.49
  5. Step 5: Solve for x
    x = 4,937,299.49/2,322.20
  6. Step 6: Final answer
    x = 2,126.13

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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.