Home / 2,612.22-3,605.53-1,616.91

Finding the Fourth Proportional to 2,612.22, 3,605.53 and 1,616.91

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Solution

The fourth proportional to 2,612.22, 3,605.53 and 1,616.91 is: 2,231.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612.22 : 3,605.53 = 1,616.91 : x
  2. Step 2: Convert to fraction form
    2,612.22/3,605.53 = 1,616.91/x
  3. Step 3: Cross multiply
    2,612.22x = 3,605.53 × 1,616.91
  4. Step 4: Simplify right side
    2,612.22x = 5,829,817.51
  5. Step 5: Solve for x
    x = 5,829,817.51/2,612.22
  6. Step 6: Final answer
    x = 2,231.75

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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.