Home / 1,754.61-2,421.30-968.59

Finding the Fourth Proportional to 1,754.61, 2,421.30 and 968.59

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Solution

The fourth proportional to 1,754.61, 2,421.30 and 968.59 is: 1,336.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.61 : 2,421.30 = 968.59 : x
  2. Step 2: Convert to fraction form
    1,754.61/2,421.30 = 968.59/x
  3. Step 3: Cross multiply
    1,754.61x = 2,421.30 × 968.59
  4. Step 4: Simplify right side
    1,754.61x = 2,345,246.97
  5. Step 5: Solve for x
    x = 2,345,246.97/1,754.61
  6. Step 6: Final answer
    x = 1,336.62

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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.