Home / 3,289.08-4,539.19-1,873.20

Finding the Fourth Proportional to 3,289.08, 4,539.19 and 1,873.20

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Solution

The fourth proportional to 3,289.08, 4,539.19 and 1,873.20 is: 2,585.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.08 : 4,539.19 = 1,873.20 : x
  2. Step 2: Convert to fraction form
    3,289.08/4,539.19 = 1,873.20/x
  3. Step 3: Cross multiply
    3,289.08x = 4,539.19 × 1,873.20
  4. Step 4: Simplify right side
    3,289.08x = 8,502,813.79
  5. Step 5: Solve for x
    x = 8,502,813.79/3,289.08
  6. Step 6: Final answer
    x = 2,585.16

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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.