Home / 2,106.13-3,155.28-1,410.75

Finding the Fourth Proportional to 2,106.13, 3,155.28 and 1,410.75

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Solution

The fourth proportional to 2,106.13, 3,155.28 and 1,410.75 is: 2,113.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.13 : 3,155.28 = 1,410.75 : x
  2. Step 2: Convert to fraction form
    2,106.13/3,155.28 = 1,410.75/x
  3. Step 3: Cross multiply
    2,106.13x = 3,155.28 × 1,410.75
  4. Step 4: Simplify right side
    2,106.13x = 4,451,311.26
  5. Step 5: Solve for x
    x = 4,451,311.26/2,106.13
  6. Step 6: Final answer
    x = 2,113.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.