Home / 2,612.07-3,604.65-1,433.15

Finding the Fourth Proportional to 2,612.07, 3,604.65 and 1,433.15

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Solution

The fourth proportional to 2,612.07, 3,604.65 and 1,433.15 is: 1,977.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612.07 : 3,604.65 = 1,433.15 : x
  2. Step 2: Convert to fraction form
    2,612.07/3,604.65 = 1,433.15/x
  3. Step 3: Cross multiply
    2,612.07x = 3,604.65 × 1,433.15
  4. Step 4: Simplify right side
    2,612.07x = 5,165,986.12
  5. Step 5: Solve for x
    x = 5,165,986.12/2,612.07
  6. Step 6: Final answer
    x = 1,977.74

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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.