Home / 2,617.81-3,925.26-1,210.69

Finding the Fourth Proportional to 2,617.81, 3,925.26 and 1,210.69

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Solution

The fourth proportional to 2,617.81, 3,925.26 and 1,210.69 is: 1,815.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617.81 : 3,925.26 = 1,210.69 : x
  2. Step 2: Convert to fraction form
    2,617.81/3,925.26 = 1,210.69/x
  3. Step 3: Cross multiply
    2,617.81x = 3,925.26 × 1,210.69
  4. Step 4: Simplify right side
    2,617.81x = 4,752,273.03
  5. Step 5: Solve for x
    x = 4,752,273.03/2,617.81
  6. Step 6: Final answer
    x = 1,815.36

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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.