Home / 1,983.39-2,972.52-1,707.63

Finding the Fourth Proportional to 1,983.39, 2,972.52 and 1,707.63

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Solution

The fourth proportional to 1,983.39, 2,972.52 and 1,707.63 is: 2,559.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983.39 : 2,972.52 = 1,707.63 : x
  2. Step 2: Convert to fraction form
    1,983.39/2,972.52 = 1,707.63/x
  3. Step 3: Cross multiply
    1,983.39x = 2,972.52 × 1,707.63
  4. Step 4: Simplify right side
    1,983.39x = 5,075,964.33
  5. Step 5: Solve for x
    x = 5,075,964.33/1,983.39
  6. Step 6: Final answer
    x = 2,559.24

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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.