Home / 4,201.60-6,304.80-1,606.40

Finding the Fourth Proportional to 4,201.60, 6,304.80 and 1,606.40

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Solution

The fourth proportional to 4,201.60, 6,304.80 and 1,606.40 is: 2,410.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,201.60 : 6,304.80 = 1,606.40 : x
  2. Step 2: Convert to fraction form
    4,201.60/6,304.80 = 1,606.40/x
  3. Step 3: Cross multiply
    4,201.60x = 6,304.80 × 1,606.40
  4. Step 4: Simplify right side
    4,201.60x = 10,128,030.72
  5. Step 5: Solve for x
    x = 10,128,030.72/4,201.60
  6. Step 6: Final answer
    x = 2,410.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.