Home / 2,455.16-3,386.76-1,616

Finding the Fourth Proportional to 2,455.16, 3,386.76 and 1,616

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Solution

The fourth proportional to 2,455.16, 3,386.76 and 1,616 is: 2,229.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.16 : 3,386.76 = 1,616 : x
  2. Step 2: Convert to fraction form
    2,455.16/3,386.76 = 1,616/x
  3. Step 3: Cross multiply
    2,455.16x = 3,386.76 × 1,616
  4. Step 4: Simplify right side
    2,455.16x = 5,473,004.16
  5. Step 5: Solve for x
    x = 5,473,004.16/2,455.16
  6. Step 6: Final answer
    x = 2,229.18

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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.