Home / 2,701.28-4,052.96-1,403.68

Finding the Fourth Proportional to 2,701.28, 4,052.96 and 1,403.68

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Solution

The fourth proportional to 2,701.28, 4,052.96 and 1,403.68 is: 2,106.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,701.28 : 4,052.96 = 1,403.68 : x
  2. Step 2: Convert to fraction form
    2,701.28/4,052.96 = 1,403.68/x
  3. Step 3: Cross multiply
    2,701.28x = 4,052.96 × 1,403.68
  4. Step 4: Simplify right side
    2,701.28x = 5,689,058.89
  5. Step 5: Solve for x
    x = 5,689,058.89/2,701.28
  6. Step 6: Final answer
    x = 2,106.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.