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Finding the Fourth Proportional to 2,616.52, 3,604.98 and 1,683.40

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Solution

The fourth proportional to 2,616.52, 3,604.98 and 1,683.40 is: 2,319.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616.52 : 3,604.98 = 1,683.40 : x
  2. Step 2: Convert to fraction form
    2,616.52/3,604.98 = 1,683.40/x
  3. Step 3: Cross multiply
    2,616.52x = 3,604.98 × 1,683.40
  4. Step 4: Simplify right side
    2,616.52x = 6,068,623.33
  5. Step 5: Solve for x
    x = 6,068,623.33/2,616.52
  6. Step 6: Final answer
    x = 2,319.35

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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.