Home / 4,340.64-6,510.96-2,147.16

Finding the Fourth Proportional to 4,340.64, 6,510.96 and 2,147.16

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Solution

The fourth proportional to 4,340.64, 6,510.96 and 2,147.16 is: 3,220.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,340.64 : 6,510.96 = 2,147.16 : x
  2. Step 2: Convert to fraction form
    4,340.64/6,510.96 = 2,147.16/x
  3. Step 3: Cross multiply
    4,340.64x = 6,510.96 × 2,147.16
  4. Step 4: Simplify right side
    4,340.64x = 13,980,072.87
  5. Step 5: Solve for x
    x = 13,980,072.87/4,340.64
  6. Step 6: Final answer
    x = 3,220.74

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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.