Home / 1,871.10-2,807.73-1,629.18

Finding the Fourth Proportional to 1,871.10, 2,807.73 and 1,629.18

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Solution

The fourth proportional to 1,871.10, 2,807.73 and 1,629.18 is: 2,444.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871.10 : 2,807.73 = 1,629.18 : x
  2. Step 2: Convert to fraction form
    1,871.10/2,807.73 = 1,629.18/x
  3. Step 3: Cross multiply
    1,871.10x = 2,807.73 × 1,629.18
  4. Step 4: Simplify right side
    1,871.10x = 4,574,297.56
  5. Step 5: Solve for x
    x = 4,574,297.56/1,871.10
  6. Step 6: Final answer
    x = 2,444.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.