Home / 1,812.25-2,482.17-1,705.86

Finding the Fourth Proportional to 1,812.25, 2,482.17 and 1,705.86

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Solution

The fourth proportional to 1,812.25, 2,482.17 and 1,705.86 is: 2,336.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812.25 : 2,482.17 = 1,705.86 : x
  2. Step 2: Convert to fraction form
    1,812.25/2,482.17 = 1,705.86/x
  3. Step 3: Cross multiply
    1,812.25x = 2,482.17 × 1,705.86
  4. Step 4: Simplify right side
    1,812.25x = 4,234,225.99
  5. Step 5: Solve for x
    x = 4,234,225.99/1,812.25
  6. Step 6: Final answer
    x = 2,336.45

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.