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Finding the Fourth Proportional to 2,339.80, 3,506.64 and 951.51

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Solution

The fourth proportional to 2,339.80, 3,506.64 and 951.51 is: 1,426.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339.80 : 3,506.64 = 951.51 : x
  2. Step 2: Convert to fraction form
    2,339.80/3,506.64 = 951.51/x
  3. Step 3: Cross multiply
    2,339.80x = 3,506.64 × 951.51
  4. Step 4: Simplify right side
    2,339.80x = 3,336,603.03
  5. Step 5: Solve for x
    x = 3,336,603.03/2,339.80
  6. Step 6: Final answer
    x = 1,426.02

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1.5x scale

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.