Home / 2,983.95-4,117.36-1,725.18

Finding the Fourth Proportional to 2,983.95, 4,117.36 and 1,725.18

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Solution

The fourth proportional to 2,983.95, 4,117.36 and 1,725.18 is: 2,380.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.95 : 4,117.36 = 1,725.18 : x
  2. Step 2: Convert to fraction form
    2,983.95/4,117.36 = 1,725.18/x
  3. Step 3: Cross multiply
    2,983.95x = 4,117.36 × 1,725.18
  4. Step 4: Simplify right side
    2,983.95x = 7,103,187.12
  5. Step 5: Solve for x
    x = 7,103,187.12/2,983.95
  6. Step 6: Final answer
    x = 2,380.46

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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.