Home / 2,448.15-3,378.47-1,329.10

Finding the Fourth Proportional to 2,448.15, 3,378.47 and 1,329.10

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Solution

The fourth proportional to 2,448.15, 3,378.47 and 1,329.10 is: 1,834.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,448.15 : 3,378.47 = 1,329.10 : x
  2. Step 2: Convert to fraction form
    2,448.15/3,378.47 = 1,329.10/x
  3. Step 3: Cross multiply
    2,448.15x = 3,378.47 × 1,329.10
  4. Step 4: Simplify right side
    2,448.15x = 4,490,324.48
  5. Step 5: Solve for x
    x = 4,490,324.48/2,448.15
  6. Step 6: Final answer
    x = 1,834.17

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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.