Home / 2,403.92-3,317.48-1,356.23

Finding the Fourth Proportional to 2,403.92, 3,317.48 and 1,356.23

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Solution

The fourth proportional to 2,403.92, 3,317.48 and 1,356.23 is: 1,871.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.92 : 3,317.48 = 1,356.23 : x
  2. Step 2: Convert to fraction form
    2,403.92/3,317.48 = 1,356.23/x
  3. Step 3: Cross multiply
    2,403.92x = 3,317.48 × 1,356.23
  4. Step 4: Simplify right side
    2,403.92x = 4,499,242.53
  5. Step 5: Solve for x
    x = 4,499,242.53/2,403.92
  6. Step 6: Final answer
    x = 1,871.63

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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.