Home / 2,568.96-3,544.68-1,574.40

Finding the Fourth Proportional to 2,568.96, 3,544.68 and 1,574.40

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Solution

The fourth proportional to 2,568.96, 3,544.68 and 1,574.40 is: 2,172.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568.96 : 3,544.68 = 1,574.40 : x
  2. Step 2: Convert to fraction form
    2,568.96/3,544.68 = 1,574.40/x
  3. Step 3: Cross multiply
    2,568.96x = 3,544.68 × 1,574.40
  4. Step 4: Simplify right side
    2,568.96x = 5,580,744.19
  5. Step 5: Solve for x
    x = 5,580,744.19/2,568.96
  6. Step 6: Final answer
    x = 2,172.37

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1.5x scale

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.