Home / 2,029.55-2,799-1,586.70

Finding the Fourth Proportional to 2,029.55, 2,799 and 1,586.70

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Solution

The fourth proportional to 2,029.55, 2,799 and 1,586.70 is: 2,188.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.55 : 2,799 = 1,586.70 : x
  2. Step 2: Convert to fraction form
    2,029.55/2,799 = 1,586.70/x
  3. Step 3: Cross multiply
    2,029.55x = 2,799 × 1,586.70
  4. Step 4: Simplify right side
    2,029.55x = 4,441,173.30
  5. Step 5: Solve for x
    x = 4,441,173.30/2,029.55
  6. Step 6: Final answer
    x = 2,188.26

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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.