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Finding the Fourth Proportional to 2,898.35, 4,007.12 and 2,193.89

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Solution

The fourth proportional to 2,898.35, 4,007.12 and 2,193.89 is: 3,033.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898.35 : 4,007.12 = 2,193.89 : x
  2. Step 2: Convert to fraction form
    2,898.35/4,007.12 = 2,193.89/x
  3. Step 3: Cross multiply
    2,898.35x = 4,007.12 × 2,193.89
  4. Step 4: Simplify right side
    2,898.35x = 8,791,161.83
  5. Step 5: Solve for x
    x = 8,791,161.83/2,898.35
  6. Step 6: Final answer
    x = 3,033.16

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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.