Home / 2,181.52-3,010.53-1,237.26

Finding the Fourth Proportional to 2,181.52, 3,010.53 and 1,237.26

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Solution

The fourth proportional to 2,181.52, 3,010.53 and 1,237.26 is: 1,707.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181.52 : 3,010.53 = 1,237.26 : x
  2. Step 2: Convert to fraction form
    2,181.52/3,010.53 = 1,237.26/x
  3. Step 3: Cross multiply
    2,181.52x = 3,010.53 × 1,237.26
  4. Step 4: Simplify right side
    2,181.52x = 3,724,808.35
  5. Step 5: Solve for x
    x = 3,724,808.35/2,181.52
  6. Step 6: Final answer
    x = 1,707.44

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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.