Home / 2,977.03-4,108.31-1,718.08

Finding the Fourth Proportional to 2,977.03, 4,108.31 and 1,718.08

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Solution

The fourth proportional to 2,977.03, 4,108.31 and 1,718.08 is: 2,370.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.03 : 4,108.31 = 1,718.08 : x
  2. Step 2: Convert to fraction form
    2,977.03/4,108.31 = 1,718.08/x
  3. Step 3: Cross multiply
    2,977.03x = 4,108.31 × 1,718.08
  4. Step 4: Simplify right side
    2,977.03x = 7,058,405.24
  5. Step 5: Solve for x
    x = 7,058,405.24/2,977.03
  6. Step 6: Final answer
    x = 2,370.96

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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.