Home / 2,485.22-3,429.06-1,490.36

Finding the Fourth Proportional to 2,485.22, 3,429.06 and 1,490.36

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Solution

The fourth proportional to 2,485.22, 3,429.06 and 1,490.36 is: 2,056.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485.22 : 3,429.06 = 1,490.36 : x
  2. Step 2: Convert to fraction form
    2,485.22/3,429.06 = 1,490.36/x
  3. Step 3: Cross multiply
    2,485.22x = 3,429.06 × 1,490.36
  4. Step 4: Simplify right side
    2,485.22x = 5,110,533.86
  5. Step 5: Solve for x
    x = 5,110,533.86/2,485.22
  6. Step 6: Final answer
    x = 2,056.37

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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.