Home / 2,174.79-3,001.32-1,335.53

Finding the Fourth Proportional to 2,174.79, 3,001.32 and 1,335.53

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Solution

The fourth proportional to 2,174.79, 3,001.32 and 1,335.53 is: 1,843.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174.79 : 3,001.32 = 1,335.53 : x
  2. Step 2: Convert to fraction form
    2,174.79/3,001.32 = 1,335.53/x
  3. Step 3: Cross multiply
    2,174.79x = 3,001.32 × 1,335.53
  4. Step 4: Simplify right side
    2,174.79x = 4,008,360.40
  5. Step 5: Solve for x
    x = 4,008,360.40/2,174.79
  6. Step 6: Final answer
    x = 1,843.10

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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.