Home / 2,860.26-3,944.53-1,865.17

Finding the Fourth Proportional to 2,860.26, 3,944.53 and 1,865.17

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Solution

The fourth proportional to 2,860.26, 3,944.53 and 1,865.17 is: 2,572.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.26 : 3,944.53 = 1,865.17 : x
  2. Step 2: Convert to fraction form
    2,860.26/3,944.53 = 1,865.17/x
  3. Step 3: Cross multiply
    2,860.26x = 3,944.53 × 1,865.17
  4. Step 4: Simplify right side
    2,860.26x = 7,357,219.02
  5. Step 5: Solve for x
    x = 7,357,219.02/2,860.26
  6. Step 6: Final answer
    x = 2,572.22

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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.