Home / 2,495.42-3,445.16-2,218.65

Finding the Fourth Proportional to 2,495.42, 3,445.16 and 2,218.65

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Solution

The fourth proportional to 2,495.42, 3,445.16 and 2,218.65 is: 3,063.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,495.42 : 3,445.16 = 2,218.65 : x
  2. Step 2: Convert to fraction form
    2,495.42/3,445.16 = 2,218.65/x
  3. Step 3: Cross multiply
    2,495.42x = 3,445.16 × 2,218.65
  4. Step 4: Simplify right side
    2,495.42x = 7,643,604.23
  5. Step 5: Solve for x
    x = 7,643,604.23/2,495.42
  6. Step 6: Final answer
    x = 3,063.05

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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.