Home / 2,612.32-3,605.04-1,433.35

Finding the Fourth Proportional to 2,612.32, 3,605.04 and 1,433.35

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Solution

The fourth proportional to 2,612.32, 3,605.04 and 1,433.35 is: 1,978.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612.32 : 3,605.04 = 1,433.35 : x
  2. Step 2: Convert to fraction form
    2,612.32/3,605.04 = 1,433.35/x
  3. Step 3: Cross multiply
    2,612.32x = 3,605.04 × 1,433.35
  4. Step 4: Simplify right side
    2,612.32x = 5,167,284.08
  5. Step 5: Solve for x
    x = 5,167,284.08/2,612.32
  6. Step 6: Final answer
    x = 1,978.04

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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.