Home / 3,070.60-4,232.36-2,173.18

Finding the Fourth Proportional to 3,070.60, 4,232.36 and 2,173.18

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Solution

The fourth proportional to 3,070.60, 4,232.36 and 2,173.18 is: 2,995.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.60 : 4,232.36 = 2,173.18 : x
  2. Step 2: Convert to fraction form
    3,070.60/4,232.36 = 2,173.18/x
  3. Step 3: Cross multiply
    3,070.60x = 4,232.36 × 2,173.18
  4. Step 4: Simplify right side
    3,070.60x = 9,197,680.10
  5. Step 5: Solve for x
    x = 9,197,680.10/3,070.60
  6. Step 6: Final answer
    x = 2,995.40

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Half 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.