Home / 1,874.98-2,587.67-1,351.32

Finding the Fourth Proportional to 1,874.98, 2,587.67 and 1,351.32

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Solution

The fourth proportional to 1,874.98, 2,587.67 and 1,351.32 is: 1,864.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874.98 : 2,587.67 = 1,351.32 : x
  2. Step 2: Convert to fraction form
    1,874.98/2,587.67 = 1,351.32/x
  3. Step 3: Cross multiply
    1,874.98x = 2,587.67 × 1,351.32
  4. Step 4: Simplify right side
    1,874.98x = 3,496,770.22
  5. Step 5: Solve for x
    x = 3,496,770.22/1,874.98
  6. Step 6: Final answer
    x = 1,864.96

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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.