Home / 1,983.14-2,976.44-1,547.18

Finding the Fourth Proportional to 1,983.14, 2,976.44 and 1,547.18

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Solution

The fourth proportional to 1,983.14, 2,976.44 and 1,547.18 is: 2,322.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983.14 : 2,976.44 = 1,547.18 : x
  2. Step 2: Convert to fraction form
    1,983.14/2,976.44 = 1,547.18/x
  3. Step 3: Cross multiply
    1,983.14x = 2,976.44 × 1,547.18
  4. Step 4: Simplify right side
    1,983.14x = 4,605,088.44
  5. Step 5: Solve for x
    x = 4,605,088.44/1,983.14
  6. Step 6: Final answer
    x = 2,322.12

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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.