Home / 2,639.09-3,641.85-1,460.09

Finding the Fourth Proportional to 2,639.09, 3,641.85 and 1,460.09

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Solution

The fourth proportional to 2,639.09, 3,641.85 and 1,460.09 is: 2,014.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639.09 : 3,641.85 = 1,460.09 : x
  2. Step 2: Convert to fraction form
    2,639.09/3,641.85 = 1,460.09/x
  3. Step 3: Cross multiply
    2,639.09x = 3,641.85 × 1,460.09
  4. Step 4: Simplify right side
    2,639.09x = 5,317,428.77
  5. Step 5: Solve for x
    x = 5,317,428.77/2,639.09
  6. Step 6: Final answer
    x = 2,014.87

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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.