Home / 3,045.15-4,201.80-1,718.48

Finding the Fourth Proportional to 3,045.15, 4,201.80 and 1,718.48

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Solution

The fourth proportional to 3,045.15, 4,201.80 and 1,718.48 is: 2,371.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.15 : 4,201.80 = 1,718.48 : x
  2. Step 2: Convert to fraction form
    3,045.15/4,201.80 = 1,718.48/x
  3. Step 3: Cross multiply
    3,045.15x = 4,201.80 × 1,718.48
  4. Step 4: Simplify right side
    3,045.15x = 7,220,688.26
  5. Step 5: Solve for x
    x = 7,220,688.26/3,045.15
  6. Step 6: Final answer
    x = 2,371.21

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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.