Home / 2,378.48-3,282.44-1,316.24

Finding the Fourth Proportional to 2,378.48, 3,282.44 and 1,316.24

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Solution

The fourth proportional to 2,378.48, 3,282.44 and 1,316.24 is: 1,816.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378.48 : 3,282.44 = 1,316.24 : x
  2. Step 2: Convert to fraction form
    2,378.48/3,282.44 = 1,316.24/x
  3. Step 3: Cross multiply
    2,378.48x = 3,282.44 × 1,316.24
  4. Step 4: Simplify right side
    2,378.48x = 4,320,478.83
  5. Step 5: Solve for x
    x = 4,320,478.83/2,378.48
  6. Step 6: Final answer
    x = 1,816.49

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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.