Home / 2,125.12-3,187.44-586.24

Finding the Fourth Proportional to 2,125.12, 3,187.44 and 586.24

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Solution

The fourth proportional to 2,125.12, 3,187.44 and 586.24 is: 879.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125.12 : 3,187.44 = 586.24 : x
  2. Step 2: Convert to fraction form
    2,125.12/3,187.44 = 586.24/x
  3. Step 3: Cross multiply
    2,125.12x = 3,187.44 × 586.24
  4. Step 4: Simplify right side
    2,125.12x = 1,868,604.83
  5. Step 5: Solve for x
    x = 1,868,604.83/2,125.12
  6. Step 6: Final answer
    x = 879.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.