Home / 2,116.07-3,174.12-577.07

Finding the Fourth Proportional to 2,116.07, 3,174.12 and 577.07

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Solution

The fourth proportional to 2,116.07, 3,174.12 and 577.07 is: 865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116.07 : 3,174.12 = 577.07 : x
  2. Step 2: Convert to fraction form
    2,116.07/3,174.12 = 577.07/x
  3. Step 3: Cross multiply
    2,116.07x = 3,174.12 × 577.07
  4. Step 4: Simplify right side
    2,116.07x = 1,831,670.67
  5. Step 5: Solve for x
    x = 1,831,670.67/2,116.07
  6. Step 6: Final answer
    x = 865.60

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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.