Home / 1,678.42-2,521.88-1,062.41

Finding the Fourth Proportional to 1,678.42, 2,521.88 and 1,062.41

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Solution

The fourth proportional to 1,678.42, 2,521.88 and 1,062.41 is: 1,596.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678.42 : 2,521.88 = 1,062.41 : x
  2. Step 2: Convert to fraction form
    1,678.42/2,521.88 = 1,062.41/x
  3. Step 3: Cross multiply
    1,678.42x = 2,521.88 × 1,062.41
  4. Step 4: Simplify right side
    1,678.42x = 2,679,265.22
  5. Step 5: Solve for x
    x = 2,679,265.22/1,678.42
  6. Step 6: Final answer
    x = 1,596.31

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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.