Home / 2,847.08-3,929-1,588.25

Finding the Fourth Proportional to 2,847.08, 3,929 and 1,588.25

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Solution

The fourth proportional to 2,847.08, 3,929 and 1,588.25 is: 2,191.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.08 : 3,929 = 1,588.25 : x
  2. Step 2: Convert to fraction form
    2,847.08/3,929 = 1,588.25/x
  3. Step 3: Cross multiply
    2,847.08x = 3,929 × 1,588.25
  4. Step 4: Simplify right side
    2,847.08x = 6,240,234.25
  5. Step 5: Solve for x
    x = 6,240,234.25/2,847.08
  6. Step 6: Final answer
    x = 2,191.80

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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.