Home / 3,935.60-5,903.40-3,070.64

Finding the Fourth Proportional to 3,935.60, 5,903.40 and 3,070.64

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Solution

The fourth proportional to 3,935.60, 5,903.40 and 3,070.64 is: 4,605.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.60 : 5,903.40 = 3,070.64 : x
  2. Step 2: Convert to fraction form
    3,935.60/5,903.40 = 3,070.64/x
  3. Step 3: Cross multiply
    3,935.60x = 5,903.40 × 3,070.64
  4. Step 4: Simplify right side
    3,935.60x = 18,127,216.18
  5. Step 5: Solve for x
    x = 18,127,216.18/3,935.60
  6. Step 6: Final answer
    x = 4,605.96

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1.5x scale

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.