Home / 2,582.08-3,875.85-2,124.63

Finding the Fourth Proportional to 2,582.08, 3,875.85 and 2,124.63

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Solution

The fourth proportional to 2,582.08, 3,875.85 and 2,124.63 is: 3,189.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,582.08 : 3,875.85 = 2,124.63 : x
  2. Step 2: Convert to fraction form
    2,582.08/3,875.85 = 2,124.63/x
  3. Step 3: Cross multiply
    2,582.08x = 3,875.85 × 2,124.63
  4. Step 4: Simplify right side
    2,582.08x = 8,234,747.19
  5. Step 5: Solve for x
    x = 8,234,747.19/2,582.08
  6. Step 6: Final answer
    x = 3,189.19

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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.