Home / 1,583.12-2,179.96-1,490.76

Finding the Fourth Proportional to 1,583.12, 2,179.96 and 1,490.76

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Solution

The fourth proportional to 1,583.12, 2,179.96 and 1,490.76 is: 2,052.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583.12 : 2,179.96 = 1,490.76 : x
  2. Step 2: Convert to fraction form
    1,583.12/2,179.96 = 1,490.76/x
  3. Step 3: Cross multiply
    1,583.12x = 2,179.96 × 1,490.76
  4. Step 4: Simplify right side
    1,583.12x = 3,249,797.17
  5. Step 5: Solve for x
    x = 3,249,797.17/1,583.12
  6. Step 6: Final answer
    x = 2,052.78

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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.