Home / 3,507.41-5,260.10-1,948.21

Finding the Fourth Proportional to 3,507.41, 5,260.10 and 1,948.21

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Solution

The fourth proportional to 3,507.41, 5,260.10 and 1,948.21 is: 2,921.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.41 : 5,260.10 = 1,948.21 : x
  2. Step 2: Convert to fraction form
    3,507.41/5,260.10 = 1,948.21/x
  3. Step 3: Cross multiply
    3,507.41x = 5,260.10 × 1,948.21
  4. Step 4: Simplify right side
    3,507.41x = 10,247,756.53
  5. Step 5: Solve for x
    x = 10,247,756.53/3,507.41
  6. Step 6: Final answer
    x = 2,921.74

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Double scale
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Similar ratio
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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.