Home / 3,547.10-5,320.83-1,355.51

Finding the Fourth Proportional to 3,547.10, 5,320.83 and 1,355.51

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Solution

The fourth proportional to 3,547.10, 5,320.83 and 1,355.51 is: 2,033.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.10 : 5,320.83 = 1,355.51 : x
  2. Step 2: Convert to fraction form
    3,547.10/5,320.83 = 1,355.51/x
  3. Step 3: Cross multiply
    3,547.10x = 5,320.83 × 1,355.51
  4. Step 4: Simplify right side
    3,547.10x = 7,212,438.27
  5. Step 5: Solve for x
    x = 7,212,438.27/3,547.10
  6. Step 6: Final answer
    x = 2,033.33

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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.