Home / 1,568.32-2,162.08-1,125.48

Finding the Fourth Proportional to 1,568.32, 2,162.08 and 1,125.48

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Solution

The fourth proportional to 1,568.32, 2,162.08 and 1,125.48 is: 1,551.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568.32 : 2,162.08 = 1,125.48 : x
  2. Step 2: Convert to fraction form
    1,568.32/2,162.08 = 1,125.48/x
  3. Step 3: Cross multiply
    1,568.32x = 2,162.08 × 1,125.48
  4. Step 4: Simplify right side
    1,568.32x = 2,433,377.80
  5. Step 5: Solve for x
    x = 2,433,377.80/1,568.32
  6. Step 6: Final answer
    x = 1,551.58

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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.