Home / 2,224.86-3,070.25-1,230.18

Finding the Fourth Proportional to 2,224.86, 3,070.25 and 1,230.18

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Solution

The fourth proportional to 2,224.86, 3,070.25 and 1,230.18 is: 1,697.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.86 : 3,070.25 = 1,230.18 : x
  2. Step 2: Convert to fraction form
    2,224.86/3,070.25 = 1,230.18/x
  3. Step 3: Cross multiply
    2,224.86x = 3,070.25 × 1,230.18
  4. Step 4: Simplify right side
    2,224.86x = 3,776,953.99
  5. Step 5: Solve for x
    x = 3,776,953.99/2,224.86
  6. Step 6: Final answer
    x = 1,697.61

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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.