Home / 2,827.12-3,901.50-1,568.32

Finding the Fourth Proportional to 2,827.12, 3,901.50 and 1,568.32

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Solution

The fourth proportional to 2,827.12, 3,901.50 and 1,568.32 is: 2,164.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.12 : 3,901.50 = 1,568.32 : x
  2. Step 2: Convert to fraction form
    2,827.12/3,901.50 = 1,568.32/x
  3. Step 3: Cross multiply
    2,827.12x = 3,901.50 × 1,568.32
  4. Step 4: Simplify right side
    2,827.12x = 6,118,800.48
  5. Step 5: Solve for x
    x = 6,118,800.48/2,827.12
  6. Step 6: Final answer
    x = 2,164.32

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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.