Home / 2,355.06-3,534.20-1,260.21

Finding the Fourth Proportional to 2,355.06, 3,534.20 and 1,260.21

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Solution

The fourth proportional to 2,355.06, 3,534.20 and 1,260.21 is: 1,891.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.06 : 3,534.20 = 1,260.21 : x
  2. Step 2: Convert to fraction form
    2,355.06/3,534.20 = 1,260.21/x
  3. Step 3: Cross multiply
    2,355.06x = 3,534.20 × 1,260.21
  4. Step 4: Simplify right side
    2,355.06x = 4,453,827.88
  5. Step 5: Solve for x
    x = 4,453,827.88/2,355.06
  6. Step 6: Final answer
    x = 1,891.17

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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.