Home / 2,195.21-3,293.37-1,547.21

Finding the Fourth Proportional to 2,195.21, 3,293.37 and 1,547.21

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Solution

The fourth proportional to 2,195.21, 3,293.37 and 1,547.21 is: 2,321.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.21 : 3,293.37 = 1,547.21 : x
  2. Step 2: Convert to fraction form
    2,195.21/3,293.37 = 1,547.21/x
  3. Step 3: Cross multiply
    2,195.21x = 3,293.37 × 1,547.21
  4. Step 4: Simplify right side
    2,195.21x = 5,095,543.23
  5. Step 5: Solve for x
    x = 5,095,543.23/2,195.21
  6. Step 6: Final answer
    x = 2,321.21

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1.5x scale

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.