Home / 2,896.13-3,996.63-1,569.80

Finding the Fourth Proportional to 2,896.13, 3,996.63 and 1,569.80

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Solution

The fourth proportional to 2,896.13, 3,996.63 and 1,569.80 is: 2,166.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896.13 : 3,996.63 = 1,569.80 : x
  2. Step 2: Convert to fraction form
    2,896.13/3,996.63 = 1,569.80/x
  3. Step 3: Cross multiply
    2,896.13x = 3,996.63 × 1,569.80
  4. Step 4: Simplify right side
    2,896.13x = 6,273,889.79
  5. Step 5: Solve for x
    x = 6,273,889.79/2,896.13
  6. Step 6: Final answer
    x = 2,166.30

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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.