Home / 3,547.36-4,894.62-2,221.48

Finding the Fourth Proportional to 3,547.36, 4,894.62 and 2,221.48

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Solution

The fourth proportional to 3,547.36, 4,894.62 and 2,221.48 is: 3,065.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.36 : 4,894.62 = 2,221.48 : x
  2. Step 2: Convert to fraction form
    3,547.36/4,894.62 = 2,221.48/x
  3. Step 3: Cross multiply
    3,547.36x = 4,894.62 × 2,221.48
  4. Step 4: Simplify right side
    3,547.36x = 10,873,300.44
  5. Step 5: Solve for x
    x = 10,873,300.44/3,547.36
  6. Step 6: Final answer
    x = 3,065.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.