Home / 3,578.36-5,368.38-1,497.20

Finding the Fourth Proportional to 3,578.36, 5,368.38 and 1,497.20

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Solution

The fourth proportional to 3,578.36, 5,368.38 and 1,497.20 is: 2,246.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.36 : 5,368.38 = 1,497.20 : x
  2. Step 2: Convert to fraction form
    3,578.36/5,368.38 = 1,497.20/x
  3. Step 3: Cross multiply
    3,578.36x = 5,368.38 × 1,497.20
  4. Step 4: Simplify right side
    3,578.36x = 8,037,506.08
  5. Step 5: Solve for x
    x = 8,037,506.08/3,578.36
  6. Step 6: Final answer
    x = 2,246.15

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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.