Home / 2,205.26-3,043.29-1,210.63

Finding the Fourth Proportional to 2,205.26, 3,043.29 and 1,210.63

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Solution

The fourth proportional to 2,205.26, 3,043.29 and 1,210.63 is: 1,670.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205.26 : 3,043.29 = 1,210.63 : x
  2. Step 2: Convert to fraction form
    2,205.26/3,043.29 = 1,210.63/x
  3. Step 3: Cross multiply
    2,205.26x = 3,043.29 × 1,210.63
  4. Step 4: Simplify right side
    2,205.26x = 3,684,280.69
  5. Step 5: Solve for x
    x = 3,684,280.69/2,205.26
  6. Step 6: Final answer
    x = 1,670.68

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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.