Home / 3,211.32-4,809.69-1,569.18

Finding the Fourth Proportional to 3,211.32, 4,809.69 and 1,569.18

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Solution

The fourth proportional to 3,211.32, 4,809.69 and 1,569.18 is: 2,350.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.32 : 4,809.69 = 1,569.18 : x
  2. Step 2: Convert to fraction form
    3,211.32/4,809.69 = 1,569.18/x
  3. Step 3: Cross multiply
    3,211.32x = 4,809.69 × 1,569.18
  4. Step 4: Simplify right side
    3,211.32x = 7,547,269.35
  5. Step 5: Solve for x
    x = 7,547,269.35/3,211.32
  6. Step 6: Final answer
    x = 2,350.21

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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.