Home / 1,897.68-2,617.86-1,234.92

Finding the Fourth Proportional to 1,897.68, 2,617.86 and 1,234.92

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Solution

The fourth proportional to 1,897.68, 2,617.86 and 1,234.92 is: 1,703.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897.68 : 2,617.86 = 1,234.92 : x
  2. Step 2: Convert to fraction form
    1,897.68/2,617.86 = 1,234.92/x
  3. Step 3: Cross multiply
    1,897.68x = 2,617.86 × 1,234.92
  4. Step 4: Simplify right side
    1,897.68x = 3,232,847.67
  5. Step 5: Solve for x
    x = 3,232,847.67/1,897.68
  6. Step 6: Final answer
    x = 1,703.58

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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.