Home / 1,631.74-2,442.75-1,573.42

Finding the Fourth Proportional to 1,631.74, 2,442.75 and 1,573.42

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Solution

The fourth proportional to 1,631.74, 2,442.75 and 1,573.42 is: 2,355.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.74 : 2,442.75 = 1,573.42 : x
  2. Step 2: Convert to fraction form
    1,631.74/2,442.75 = 1,573.42/x
  3. Step 3: Cross multiply
    1,631.74x = 2,442.75 × 1,573.42
  4. Step 4: Simplify right side
    1,631.74x = 3,843,471.71
  5. Step 5: Solve for x
    x = 3,843,471.71/1,631.74
  6. Step 6: Final answer
    x = 2,355.44

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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.