Home / 2,586.62-3,569.64-1,538.84

Finding the Fourth Proportional to 2,586.62, 3,569.64 and 1,538.84

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Solution

The fourth proportional to 2,586.62, 3,569.64 and 1,538.84 is: 2,123.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.62 : 3,569.64 = 1,538.84 : x
  2. Step 2: Convert to fraction form
    2,586.62/3,569.64 = 1,538.84/x
  3. Step 3: Cross multiply
    2,586.62x = 3,569.64 × 1,538.84
  4. Step 4: Simplify right side
    2,586.62x = 5,493,104.82
  5. Step 5: Solve for x
    x = 5,493,104.82/2,586.62
  6. Step 6: Final answer
    x = 2,123.66

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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.