Home / 2,746.99-4,121.56-1,206.91

Finding the Fourth Proportional to 2,746.99, 4,121.56 and 1,206.91

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Solution

The fourth proportional to 2,746.99, 4,121.56 and 1,206.91 is: 1,810.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.99 : 4,121.56 = 1,206.91 : x
  2. Step 2: Convert to fraction form
    2,746.99/4,121.56 = 1,206.91/x
  3. Step 3: Cross multiply
    2,746.99x = 4,121.56 × 1,206.91
  4. Step 4: Simplify right side
    2,746.99x = 4,974,351.98
  5. Step 5: Solve for x
    x = 4,974,351.98/2,746.99
  6. Step 6: Final answer
    x = 1,810.84

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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.