Home / 3,417.08-5,121.48-1,565.60

Finding the Fourth Proportional to 3,417.08, 5,121.48 and 1,565.60

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Solution

The fourth proportional to 3,417.08, 5,121.48 and 1,565.60 is: 2,346.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.08 : 5,121.48 = 1,565.60 : x
  2. Step 2: Convert to fraction form
    3,417.08/5,121.48 = 1,565.60/x
  3. Step 3: Cross multiply
    3,417.08x = 5,121.48 × 1,565.60
  4. Step 4: Simplify right side
    3,417.08x = 8,018,189.09
  5. Step 5: Solve for x
    x = 8,018,189.09/3,417.08
  6. Step 6: Final answer
    x = 2,346.50

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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.