Home / 2,495.86-3,445.08-1,611.65

Finding the Fourth Proportional to 2,495.86, 3,445.08 and 1,611.65

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Solution

The fourth proportional to 2,495.86, 3,445.08 and 1,611.65 is: 2,224.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,495.86 : 3,445.08 = 1,611.65 : x
  2. Step 2: Convert to fraction form
    2,495.86/3,445.08 = 1,611.65/x
  3. Step 3: Cross multiply
    2,495.86x = 3,445.08 × 1,611.65
  4. Step 4: Simplify right side
    2,495.86x = 5,552,263.18
  5. Step 5: Solve for x
    x = 5,552,263.18/2,495.86
  6. Step 6: Final answer
    x = 2,224.59

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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.