Home / 2,451.46-3,383.16-1,403.50

Finding the Fourth Proportional to 2,451.46, 3,383.16 and 1,403.50

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Solution

The fourth proportional to 2,451.46, 3,383.16 and 1,403.50 is: 1,936.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451.46 : 3,383.16 = 1,403.50 : x
  2. Step 2: Convert to fraction form
    2,451.46/3,383.16 = 1,403.50/x
  3. Step 3: Cross multiply
    2,451.46x = 3,383.16 × 1,403.50
  4. Step 4: Simplify right side
    2,451.46x = 4,748,265.06
  5. Step 5: Solve for x
    x = 4,748,265.06/2,451.46
  6. Step 6: Final answer
    x = 1,936.91

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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.