Home / 2,845.29-3,926.35-1,586.45

Finding the Fourth Proportional to 2,845.29, 3,926.35 and 1,586.45

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Solution

The fourth proportional to 2,845.29, 3,926.35 and 1,586.45 is: 2,189.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.29 : 3,926.35 = 1,586.45 : x
  2. Step 2: Convert to fraction form
    2,845.29/3,926.35 = 1,586.45/x
  3. Step 3: Cross multiply
    2,845.29x = 3,926.35 × 1,586.45
  4. Step 4: Simplify right side
    2,845.29x = 6,228,969.76
  5. Step 5: Solve for x
    x = 6,228,969.76/2,845.29
  6. Step 6: Final answer
    x = 2,189.22

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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.