Home / 2,983.57-4,117.26-1,639.10

Finding the Fourth Proportional to 2,983.57, 4,117.26 and 1,639.10

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Solution

The fourth proportional to 2,983.57, 4,117.26 and 1,639.10 is: 2,261.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.57 : 4,117.26 = 1,639.10 : x
  2. Step 2: Convert to fraction form
    2,983.57/4,117.26 = 1,639.10/x
  3. Step 3: Cross multiply
    2,983.57x = 4,117.26 × 1,639.10
  4. Step 4: Simplify right side
    2,983.57x = 6,748,617.31
  5. Step 5: Solve for x
    x = 6,748,617.31/2,983.57
  6. Step 6: Final answer
    x = 2,261.93

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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.