Home / 1,754.58-2,421.35-968.62

Finding the Fourth Proportional to 1,754.58, 2,421.35 and 968.62

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Solution

The fourth proportional to 1,754.58, 2,421.35 and 968.62 is: 1,336.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.58 : 2,421.35 = 968.62 : x
  2. Step 2: Convert to fraction form
    1,754.58/2,421.35 = 968.62/x
  3. Step 3: Cross multiply
    1,754.58x = 2,421.35 × 968.62
  4. Step 4: Simplify right side
    1,754.58x = 2,345,368.04
  5. Step 5: Solve for x
    x = 2,345,368.04/1,754.58
  6. Step 6: Final answer
    x = 1,336.72

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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.