Home / 2,329.32-3,491.28-1,920.24

Finding the Fourth Proportional to 2,329.32, 3,491.28 and 1,920.24

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Solution

The fourth proportional to 2,329.32, 3,491.28 and 1,920.24 is: 2,878.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,329.32 : 3,491.28 = 1,920.24 : x
  2. Step 2: Convert to fraction form
    2,329.32/3,491.28 = 1,920.24/x
  3. Step 3: Cross multiply
    2,329.32x = 3,491.28 × 1,920.24
  4. Step 4: Simplify right side
    2,329.32x = 6,704,095.51
  5. Step 5: Solve for x
    x = 6,704,095.51/2,329.32
  6. Step 6: Final answer
    x = 2,878.13

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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.