Home / 2,568.12-3,543.74-1,506

Finding the Fourth Proportional to 2,568.12, 3,543.74 and 1,506

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Solution

The fourth proportional to 2,568.12, 3,543.74 and 1,506 is: 2,078.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568.12 : 3,543.74 = 1,506 : x
  2. Step 2: Convert to fraction form
    2,568.12/3,543.74 = 1,506/x
  3. Step 3: Cross multiply
    2,568.12x = 3,543.74 × 1,506
  4. Step 4: Simplify right side
    2,568.12x = 5,336,864.91
  5. Step 5: Solve for x
    x = 5,336,864.91/2,568.12
  6. Step 6: Final answer
    x = 2,078.12

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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.