Home / 1,897.74-2,845.09-1,273.69

Finding the Fourth Proportional to 1,897.74, 2,845.09 and 1,273.69

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Solution

The fourth proportional to 1,897.74, 2,845.09 and 1,273.69 is: 1,909.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897.74 : 2,845.09 = 1,273.69 : x
  2. Step 2: Convert to fraction form
    1,897.74/2,845.09 = 1,273.69/x
  3. Step 3: Cross multiply
    1,897.74x = 2,845.09 × 1,273.69
  4. Step 4: Simplify right side
    1,897.74x = 3,623,762.68
  5. Step 5: Solve for x
    x = 3,623,762.68/1,897.74
  6. Step 6: Final answer
    x = 1,909.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.