Home / 2,485.56-3,428.81-1,895.07

Finding the Fourth Proportional to 2,485.56, 3,428.81 and 1,895.07

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Solution

The fourth proportional to 2,485.56, 3,428.81 and 1,895.07 is: 2,614.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485.56 : 3,428.81 = 1,895.07 : x
  2. Step 2: Convert to fraction form
    2,485.56/3,428.81 = 1,895.07/x
  3. Step 3: Cross multiply
    2,485.56x = 3,428.81 × 1,895.07
  4. Step 4: Simplify right side
    2,485.56x = 6,497,834.97
  5. Step 5: Solve for x
    x = 6,497,834.97/2,485.56
  6. Step 6: Final answer
    x = 2,614.23

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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.