Home / 2,490.66-3,437.40-1,546.20

Finding the Fourth Proportional to 2,490.66, 3,437.40 and 1,546.20

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Solution

The fourth proportional to 2,490.66, 3,437.40 and 1,546.20 is: 2,133.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490.66 : 3,437.40 = 1,546.20 : x
  2. Step 2: Convert to fraction form
    2,490.66/3,437.40 = 1,546.20/x
  3. Step 3: Cross multiply
    2,490.66x = 3,437.40 × 1,546.20
  4. Step 4: Simplify right side
    2,490.66x = 5,314,907.88
  5. Step 5: Solve for x
    x = 5,314,907.88/2,490.66
  6. Step 6: Final answer
    x = 2,133.94

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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.