Home / 2,073.53-3,117.14-1,921.35

Finding the Fourth Proportional to 2,073.53, 3,117.14 and 1,921.35

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Solution

The fourth proportional to 2,073.53, 3,117.14 and 1,921.35 is: 2,888.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,073.53 : 3,117.14 = 1,921.35 : x
  2. Step 2: Convert to fraction form
    2,073.53/3,117.14 = 1,921.35/x
  3. Step 3: Cross multiply
    2,073.53x = 3,117.14 × 1,921.35
  4. Step 4: Simplify right side
    2,073.53x = 5,989,119.02
  5. Step 5: Solve for x
    x = 5,989,119.02/2,073.53
  6. Step 6: Final answer
    x = 2,888.37

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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.