Home / 2,572.07-3,858.28-1,273.19

Finding the Fourth Proportional to 2,572.07, 3,858.28 and 1,273.19

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Solution

The fourth proportional to 2,572.07, 3,858.28 and 1,273.19 is: 1,909.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572.07 : 3,858.28 = 1,273.19 : x
  2. Step 2: Convert to fraction form
    2,572.07/3,858.28 = 1,273.19/x
  3. Step 3: Cross multiply
    2,572.07x = 3,858.28 × 1,273.19
  4. Step 4: Simplify right side
    2,572.07x = 4,912,323.51
  5. Step 5: Solve for x
    x = 4,912,323.51/2,572.07
  6. Step 6: Final answer
    x = 1,909.87

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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.