Home / 2,329.68-3,215.16-1,533.06

Finding the Fourth Proportional to 2,329.68, 3,215.16 and 1,533.06

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Solution

The fourth proportional to 2,329.68, 3,215.16 and 1,533.06 is: 2,115.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,329.68 : 3,215.16 = 1,533.06 : x
  2. Step 2: Convert to fraction form
    2,329.68/3,215.16 = 1,533.06/x
  3. Step 3: Cross multiply
    2,329.68x = 3,215.16 × 1,533.06
  4. Step 4: Simplify right side
    2,329.68x = 4,929,033.19
  5. Step 5: Solve for x
    x = 4,929,033.19/2,329.68
  6. Step 6: Final answer
    x = 2,115.76

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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.