Home / 2,712.08-3,740.76-1,664.72

Finding the Fourth Proportional to 2,712.08, 3,740.76 and 1,664.72

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Solution

The fourth proportional to 2,712.08, 3,740.76 and 1,664.72 is: 2,296.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.08 : 3,740.76 = 1,664.72 : x
  2. Step 2: Convert to fraction form
    2,712.08/3,740.76 = 1,664.72/x
  3. Step 3: Cross multiply
    2,712.08x = 3,740.76 × 1,664.72
  4. Step 4: Simplify right side
    2,712.08x = 6,227,317.99
  5. Step 5: Solve for x
    x = 6,227,317.99/2,712.08
  6. Step 6: Final answer
    x = 2,296.14

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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.