Home / 1,869.42-2,573.36-1,617.24

Finding the Fourth Proportional to 1,869.42, 2,573.36 and 1,617.24

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Solution

The fourth proportional to 1,869.42, 2,573.36 and 1,617.24 is: 2,226.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869.42 : 2,573.36 = 1,617.24 : x
  2. Step 2: Convert to fraction form
    1,869.42/2,573.36 = 1,617.24/x
  3. Step 3: Cross multiply
    1,869.42x = 2,573.36 × 1,617.24
  4. Step 4: Simplify right side
    1,869.42x = 4,161,732.64
  5. Step 5: Solve for x
    x = 4,161,732.64/1,869.42
  6. Step 6: Final answer
    x = 2,226.22

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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.