Home / 1,568.64-2,355.42-1,246.70

Finding the Fourth Proportional to 1,568.64, 2,355.42 and 1,246.70

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Solution

The fourth proportional to 1,568.64, 2,355.42 and 1,246.70 is: 1,872.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568.64 : 2,355.42 = 1,246.70 : x
  2. Step 2: Convert to fraction form
    1,568.64/2,355.42 = 1,246.70/x
  3. Step 3: Cross multiply
    1,568.64x = 2,355.42 × 1,246.70
  4. Step 4: Simplify right side
    1,568.64x = 2,936,502.11
  5. Step 5: Solve for x
    x = 2,936,502.11/1,568.64
  6. Step 6: Final answer
    x = 1,872.01

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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.