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Finding the Fourth Proportional to 2,888.79, 4,324.21 and 1,569.27

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Solution

The fourth proportional to 2,888.79, 4,324.21 and 1,569.27 is: 2,349.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888.79 : 4,324.21 = 1,569.27 : x
  2. Step 2: Convert to fraction form
    2,888.79/4,324.21 = 1,569.27/x
  3. Step 3: Cross multiply
    2,888.79x = 4,324.21 × 1,569.27
  4. Step 4: Simplify right side
    2,888.79x = 6,785,853.03
  5. Step 5: Solve for x
    x = 6,785,853.03/2,888.79
  6. Step 6: Final answer
    x = 2,349.03

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1.5x scale

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.