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Finding the Fourth Proportional to 1,712.42, 2,568.34 and 558.16

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Solution

The fourth proportional to 1,712.42, 2,568.34 and 558.16 is: 837.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.42 : 2,568.34 = 558.16 : x
  2. Step 2: Convert to fraction form
    1,712.42/2,568.34 = 558.16/x
  3. Step 3: Cross multiply
    1,712.42x = 2,568.34 × 558.16
  4. Step 4: Simplify right side
    1,712.42x = 1,433,544.65
  5. Step 5: Solve for x
    x = 1,433,544.65/1,712.42
  6. Step 6: Final answer
    x = 837.15

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1.5x scale

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.