Home / 3,148.51-4,723.79-1,505.18

Finding the Fourth Proportional to 3,148.51, 4,723.79 and 1,505.18

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Solution

The fourth proportional to 3,148.51, 4,723.79 and 1,505.18 is: 2,258.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.51 : 4,723.79 = 1,505.18 : x
  2. Step 2: Convert to fraction form
    3,148.51/4,723.79 = 1,505.18/x
  3. Step 3: Cross multiply
    3,148.51x = 4,723.79 × 1,505.18
  4. Step 4: Simplify right side
    3,148.51x = 7,110,158.52
  5. Step 5: Solve for x
    x = 7,110,158.52/3,148.51
  6. Step 6: Final answer
    x = 2,258.26

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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.