Home / 1,427.32-2,142.06-1,043.56

Finding the Fourth Proportional to 1,427.32, 2,142.06 and 1,043.56

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Solution

The fourth proportional to 1,427.32, 2,142.06 and 1,043.56 is: 1,566.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427.32 : 2,142.06 = 1,043.56 : x
  2. Step 2: Convert to fraction form
    1,427.32/2,142.06 = 1,043.56/x
  3. Step 3: Cross multiply
    1,427.32x = 2,142.06 × 1,043.56
  4. Step 4: Simplify right side
    1,427.32x = 2,235,368.13
  5. Step 5: Solve for x
    x = 2,235,368.13/1,427.32
  6. Step 6: Final answer
    x = 1,566.13

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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.