Home / 3,685.16-5,528.54-1,219.86

Finding the Fourth Proportional to 3,685.16, 5,528.54 and 1,219.86

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Solution

The fourth proportional to 3,685.16, 5,528.54 and 1,219.86 is: 1,830.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.16 : 5,528.54 = 1,219.86 : x
  2. Step 2: Convert to fraction form
    3,685.16/5,528.54 = 1,219.86/x
  3. Step 3: Cross multiply
    3,685.16x = 5,528.54 × 1,219.86
  4. Step 4: Simplify right side
    3,685.16x = 6,744,011.06
  5. Step 5: Solve for x
    x = 6,744,011.06/3,685.16
  6. Step 6: Final answer
    x = 1,830.05

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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.