Home / 2,433.12-3,357.84-1,385.16

Finding the Fourth Proportional to 2,433.12, 3,357.84 and 1,385.16

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Solution

The fourth proportional to 2,433.12, 3,357.84 and 1,385.16 is: 1,911.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,433.12 : 3,357.84 = 1,385.16 : x
  2. Step 2: Convert to fraction form
    2,433.12/3,357.84 = 1,385.16/x
  3. Step 3: Cross multiply
    2,433.12x = 3,357.84 × 1,385.16
  4. Step 4: Simplify right side
    2,433.12x = 4,651,145.65
  5. Step 5: Solve for x
    x = 4,651,145.65/2,433.12
  6. Step 6: Final answer
    x = 1,911.60

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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.