Home / 3,051.47-4,211.11-1,725.14

Finding the Fourth Proportional to 3,051.47, 4,211.11 and 1,725.14

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Solution

The fourth proportional to 3,051.47, 4,211.11 and 1,725.14 is: 2,380.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.47 : 4,211.11 = 1,725.14 : x
  2. Step 2: Convert to fraction form
    3,051.47/4,211.11 = 1,725.14/x
  3. Step 3: Cross multiply
    3,051.47x = 4,211.11 × 1,725.14
  4. Step 4: Simplify right side
    3,051.47x = 7,264,754.31
  5. Step 5: Solve for x
    x = 7,264,754.31/3,051.47
  6. Step 6: Final answer
    x = 2,380.74

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Half scale
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Double scale
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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.