Home / 3,672.16-5,068.08-2,100.32

Finding the Fourth Proportional to 3,672.16, 5,068.08 and 2,100.32

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Solution

The fourth proportional to 3,672.16, 5,068.08 and 2,100.32 is: 2,898.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.16 : 5,068.08 = 2,100.32 : x
  2. Step 2: Convert to fraction form
    3,672.16/5,068.08 = 2,100.32/x
  3. Step 3: Cross multiply
    3,672.16x = 5,068.08 × 2,100.32
  4. Step 4: Simplify right side
    3,672.16x = 10,644,589.79
  5. Step 5: Solve for x
    x = 10,644,589.79/3,672.16
  6. Step 6: Final answer
    x = 2,898.73

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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.