Home / 3,148.48-4,723.80-1,201.24

Finding the Fourth Proportional to 3,148.48, 4,723.80 and 1,201.24

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Solution

The fourth proportional to 3,148.48, 4,723.80 and 1,201.24 is: 1,802.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.48 : 4,723.80 = 1,201.24 : x
  2. Step 2: Convert to fraction form
    3,148.48/4,723.80 = 1,201.24/x
  3. Step 3: Cross multiply
    3,148.48x = 4,723.80 × 1,201.24
  4. Step 4: Simplify right side
    3,148.48x = 5,674,417.51
  5. Step 5: Solve for x
    x = 5,674,417.51/3,148.48
  6. Step 6: Final answer
    x = 1,802.27

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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.