Home / 3,150.04-4,725.60-1,505.20

Finding the Fourth Proportional to 3,150.04, 4,725.60 and 1,505.20

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Solution

The fourth proportional to 3,150.04, 4,725.60 and 1,505.20 is: 2,258.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.04 : 4,725.60 = 1,505.20 : x
  2. Step 2: Convert to fraction form
    3,150.04/4,725.60 = 1,505.20/x
  3. Step 3: Cross multiply
    3,150.04x = 4,725.60 × 1,505.20
  4. Step 4: Simplify right side
    3,150.04x = 7,112,973.12
  5. Step 5: Solve for x
    x = 7,112,973.12/3,150.04
  6. Step 6: Final answer
    x = 2,258.06

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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.