Home / 2,485.46-3,429.74-1,437.60

Finding the Fourth Proportional to 2,485.46, 3,429.74 and 1,437.60

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Solution

The fourth proportional to 2,485.46, 3,429.74 and 1,437.60 is: 1,983.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485.46 : 3,429.74 = 1,437.60 : x
  2. Step 2: Convert to fraction form
    2,485.46/3,429.74 = 1,437.60/x
  3. Step 3: Cross multiply
    2,485.46x = 3,429.74 × 1,437.60
  4. Step 4: Simplify right side
    2,485.46x = 4,930,594.22
  5. Step 5: Solve for x
    x = 4,930,594.22/2,485.46
  6. Step 6: Final answer
    x = 1,983.78

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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.