Home / 2,930.16-4,392.36-1,369.68

Finding the Fourth Proportional to 2,930.16, 4,392.36 and 1,369.68

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Solution

The fourth proportional to 2,930.16, 4,392.36 and 1,369.68 is: 2,053.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.16 : 4,392.36 = 1,369.68 : x
  2. Step 2: Convert to fraction form
    2,930.16/4,392.36 = 1,369.68/x
  3. Step 3: Cross multiply
    2,930.16x = 4,392.36 × 1,369.68
  4. Step 4: Simplify right side
    2,930.16x = 6,016,127.64
  5. Step 5: Solve for x
    x = 6,016,127.64/2,930.16
  6. Step 6: Final answer
    x = 2,053.17

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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.