Home / 1,723.96-2,568.53-1,641.40

Finding the Fourth Proportional to 1,723.96, 2,568.53 and 1,641.40

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Solution

The fourth proportional to 1,723.96, 2,568.53 and 1,641.40 is: 2,445.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.96 : 2,568.53 = 1,641.40 : x
  2. Step 2: Convert to fraction form
    1,723.96/2,568.53 = 1,641.40/x
  3. Step 3: Cross multiply
    1,723.96x = 2,568.53 × 1,641.40
  4. Step 4: Simplify right side
    1,723.96x = 4,215,985.14
  5. Step 5: Solve for x
    x = 4,215,985.14/1,723.96
  6. Step 6: Final answer
    x = 2,445.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.