Home / 2,351.43-3,244.68-1,407.02

Finding the Fourth Proportional to 2,351.43, 3,244.68 and 1,407.02

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Solution

The fourth proportional to 2,351.43, 3,244.68 and 1,407.02 is: 1,941.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.43 : 3,244.68 = 1,407.02 : x
  2. Step 2: Convert to fraction form
    2,351.43/3,244.68 = 1,407.02/x
  3. Step 3: Cross multiply
    2,351.43x = 3,244.68 × 1,407.02
  4. Step 4: Simplify right side
    2,351.43x = 4,565,313.43
  5. Step 5: Solve for x
    x = 4,565,313.43/2,351.43
  6. Step 6: Final answer
    x = 1,941.51

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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.