Home / 1,959.19-2,705.01-1,455.17

Finding the Fourth Proportional to 1,959.19, 2,705.01 and 1,455.17

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Solution

The fourth proportional to 1,959.19, 2,705.01 and 1,455.17 is: 2,009.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959.19 : 2,705.01 = 1,455.17 : x
  2. Step 2: Convert to fraction form
    1,959.19/2,705.01 = 1,455.17/x
  3. Step 3: Cross multiply
    1,959.19x = 2,705.01 × 1,455.17
  4. Step 4: Simplify right side
    1,959.19x = 3,936,235.88
  5. Step 5: Solve for x
    x = 3,936,235.88/1,959.19
  6. Step 6: Final answer
    x = 2,009.12

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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.