Home / 3,017.24-4,160.87-2,120.69

Finding the Fourth Proportional to 3,017.24, 4,160.87 and 2,120.69

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Solution

The fourth proportional to 3,017.24, 4,160.87 and 2,120.69 is: 2,924.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017.24 : 4,160.87 = 2,120.69 : x
  2. Step 2: Convert to fraction form
    3,017.24/4,160.87 = 2,120.69/x
  3. Step 3: Cross multiply
    3,017.24x = 4,160.87 × 2,120.69
  4. Step 4: Simplify right side
    3,017.24x = 8,823,931.10
  5. Step 5: Solve for x
    x = 8,823,931.10/3,017.24
  6. Step 6: Final answer
    x = 2,924.50

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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.