Home / 2,705.36-3,732.48-1,586.12

Finding the Fourth Proportional to 2,705.36, 3,732.48 and 1,586.12

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Solution

The fourth proportional to 2,705.36, 3,732.48 and 1,586.12 is: 2,188.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,705.36 : 3,732.48 = 1,586.12 : x
  2. Step 2: Convert to fraction form
    2,705.36/3,732.48 = 1,586.12/x
  3. Step 3: Cross multiply
    2,705.36x = 3,732.48 × 1,586.12
  4. Step 4: Simplify right side
    2,705.36x = 5,920,161.18
  5. Step 5: Solve for x
    x = 5,920,161.18/2,705.36
  6. Step 6: Final answer
    x = 2,188.31

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1.5x scale

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.