Home / 3,011.11-4,155.78-1,752.91

Finding the Fourth Proportional to 3,011.11, 4,155.78 and 1,752.91

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Solution

The fourth proportional to 3,011.11, 4,155.78 and 1,752.91 is: 2,419.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.11 : 4,155.78 = 1,752.91 : x
  2. Step 2: Convert to fraction form
    3,011.11/4,155.78 = 1,752.91/x
  3. Step 3: Cross multiply
    3,011.11x = 4,155.78 × 1,752.91
  4. Step 4: Simplify right side
    3,011.11x = 7,284,708.32
  5. Step 5: Solve for x
    x = 7,284,708.32/3,011.11
  6. Step 6: Final answer
    x = 2,419.28

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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.