Home / 2,403.47-3,316.80-1,341.21

Finding the Fourth Proportional to 2,403.47, 3,316.80 and 1,341.21

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Solution

The fourth proportional to 2,403.47, 3,316.80 and 1,341.21 is: 1,850.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.47 : 3,316.80 = 1,341.21 : x
  2. Step 2: Convert to fraction form
    2,403.47/3,316.80 = 1,341.21/x
  3. Step 3: Cross multiply
    2,403.47x = 3,316.80 × 1,341.21
  4. Step 4: Simplify right side
    2,403.47x = 4,448,525.33
  5. Step 5: Solve for x
    x = 4,448,525.33/2,403.47
  6. Step 6: Final answer
    x = 1,850.88

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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.