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Finding the Fourth Proportional to 3,590.66, 4,953.69 and 2,648.69

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Solution

The fourth proportional to 3,590.66, 4,953.69 and 2,648.69 is: 3,654.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.66 : 4,953.69 = 2,648.69 : x
  2. Step 2: Convert to fraction form
    3,590.66/4,953.69 = 2,648.69/x
  3. Step 3: Cross multiply
    3,590.66x = 4,953.69 × 2,648.69
  4. Step 4: Simplify right side
    3,590.66x = 13,120,764.40
  5. Step 5: Solve for x
    x = 13,120,764.40/3,590.66
  6. Step 6: Final answer
    x = 3,654.14

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1.5x scale

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.