Home / 2,639.07-3,641.93-1,460.22

Finding the Fourth Proportional to 2,639.07, 3,641.93 and 1,460.22

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Solution

The fourth proportional to 2,639.07, 3,641.93 and 1,460.22 is: 2,015.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639.07 : 3,641.93 = 1,460.22 : x
  2. Step 2: Convert to fraction form
    2,639.07/3,641.93 = 1,460.22/x
  3. Step 3: Cross multiply
    2,639.07x = 3,641.93 × 1,460.22
  4. Step 4: Simplify right side
    2,639.07x = 5,318,019.02
  5. Step 5: Solve for x
    x = 5,318,019.02/2,639.07
  6. Step 6: Final answer
    x = 2,015.11

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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.