Home / 2,160.08-2,981.64-1,497.81

Finding the Fourth Proportional to 2,160.08, 2,981.64 and 1,497.81

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Solution

The fourth proportional to 2,160.08, 2,981.64 and 1,497.81 is: 2,067.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160.08 : 2,981.64 = 1,497.81 : x
  2. Step 2: Convert to fraction form
    2,160.08/2,981.64 = 1,497.81/x
  3. Step 3: Cross multiply
    2,160.08x = 2,981.64 × 1,497.81
  4. Step 4: Simplify right side
    2,160.08x = 4,465,930.21
  5. Step 5: Solve for x
    x = 4,465,930.21/2,160.08
  6. Step 6: Final answer
    x = 2,067.48

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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.