Home / 1,568.94-2,165.59-1,010.92

Finding the Fourth Proportional to 1,568.94, 2,165.59 and 1,010.92

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Solution

The fourth proportional to 1,568.94, 2,165.59 and 1,010.92 is: 1,395.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568.94 : 2,165.59 = 1,010.92 : x
  2. Step 2: Convert to fraction form
    1,568.94/2,165.59 = 1,010.92/x
  3. Step 3: Cross multiply
    1,568.94x = 2,165.59 × 1,010.92
  4. Step 4: Simplify right side
    1,568.94x = 2,189,229.42
  5. Step 5: Solve for x
    x = 2,189,229.42/1,568.94
  6. Step 6: Final answer
    x = 1,395.35

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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.