Home / 2,143.23-2,958.67-1,612.32

Finding the Fourth Proportional to 2,143.23, 2,958.67 and 1,612.32

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Solution

The fourth proportional to 2,143.23, 2,958.67 and 1,612.32 is: 2,225.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143.23 : 2,958.67 = 1,612.32 : x
  2. Step 2: Convert to fraction form
    2,143.23/2,958.67 = 1,612.32/x
  3. Step 3: Cross multiply
    2,143.23x = 2,958.67 × 1,612.32
  4. Step 4: Simplify right side
    2,143.23x = 4,770,325.11
  5. Step 5: Solve for x
    x = 4,770,325.11/2,143.23
  6. Step 6: Final answer
    x = 2,225.76

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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.