Home / 2,989.16-4,125.56-1,730.01

Finding the Fourth Proportional to 2,989.16, 4,125.56 and 1,730.01

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Solution

The fourth proportional to 2,989.16, 4,125.56 and 1,730.01 is: 2,387.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989.16 : 4,125.56 = 1,730.01 : x
  2. Step 2: Convert to fraction form
    2,989.16/4,125.56 = 1,730.01/x
  3. Step 3: Cross multiply
    2,989.16x = 4,125.56 × 1,730.01
  4. Step 4: Simplify right side
    2,989.16x = 7,137,260.06
  5. Step 5: Solve for x
    x = 7,137,260.06/2,989.16
  6. Step 6: Final answer
    x = 2,387.71

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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.