Home / 2,485.08-3,428.82-1,490.44

Finding the Fourth Proportional to 2,485.08, 3,428.82 and 1,490.44

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Solution

The fourth proportional to 2,485.08, 3,428.82 and 1,490.44 is: 2,056.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485.08 : 3,428.82 = 1,490.44 : x
  2. Step 2: Convert to fraction form
    2,485.08/3,428.82 = 1,490.44/x
  3. Step 3: Cross multiply
    2,485.08x = 3,428.82 × 1,490.44
  4. Step 4: Simplify right side
    2,485.08x = 5,110,450.48
  5. Step 5: Solve for x
    x = 5,110,450.48/2,485.08
  6. Step 6: Final answer
    x = 2,056.45

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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.