Home / 2,506.28-3,458.80-1,511.70

Finding the Fourth Proportional to 2,506.28, 3,458.80 and 1,511.70

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Solution

The fourth proportional to 2,506.28, 3,458.80 and 1,511.70 is: 2,086.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,506.28 : 3,458.80 = 1,511.70 : x
  2. Step 2: Convert to fraction form
    2,506.28/3,458.80 = 1,511.70/x
  3. Step 3: Cross multiply
    2,506.28x = 3,458.80 × 1,511.70
  4. Step 4: Simplify right side
    2,506.28x = 5,228,667.96
  5. Step 5: Solve for x
    x = 5,228,667.96/2,506.28
  6. Step 6: Final answer
    x = 2,086.23

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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.