Home / 3,618.08-5,430.20-2,580.63

Finding the Fourth Proportional to 3,618.08, 5,430.20 and 2,580.63

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Solution

The fourth proportional to 3,618.08, 5,430.20 and 2,580.63 is: 3,873.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.08 : 5,430.20 = 2,580.63 : x
  2. Step 2: Convert to fraction form
    3,618.08/5,430.20 = 2,580.63/x
  3. Step 3: Cross multiply
    3,618.08x = 5,430.20 × 2,580.63
  4. Step 4: Simplify right side
    3,618.08x = 14,013,324.12
  5. Step 5: Solve for x
    x = 14,013,324.12/3,618.08
  6. Step 6: Final answer
    x = 3,873.14

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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.