Home / 2,612.60-3,605.47-1,433.73

Finding the Fourth Proportional to 2,612.60, 3,605.47 and 1,433.73

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Solution

The fourth proportional to 2,612.60, 3,605.47 and 1,433.73 is: 1,978.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612.60 : 3,605.47 = 1,433.73 : x
  2. Step 2: Convert to fraction form
    2,612.60/3,605.47 = 1,433.73/x
  3. Step 3: Cross multiply
    2,612.60x = 3,605.47 × 1,433.73
  4. Step 4: Simplify right side
    2,612.60x = 5,169,266.92
  5. Step 5: Solve for x
    x = 5,169,266.92/2,612.60
  6. Step 6: Final answer
    x = 1,978.59

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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.