Home / 3,569.06-5,355.62-1,621.32

Finding the Fourth Proportional to 3,569.06, 5,355.62 and 1,621.32

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Solution

The fourth proportional to 3,569.06, 5,355.62 and 1,621.32 is: 2,432.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,569.06 : 5,355.62 = 1,621.32 : x
  2. Step 2: Convert to fraction form
    3,569.06/5,355.62 = 1,621.32/x
  3. Step 3: Cross multiply
    3,569.06x = 5,355.62 × 1,621.32
  4. Step 4: Simplify right side
    3,569.06x = 8,683,151.71
  5. Step 5: Solve for x
    x = 8,683,151.71/3,569.06
  6. Step 6: Final answer
    x = 2,432.89

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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.