Home / 3,507.57-4,840.56-1,935.90

Finding the Fourth Proportional to 3,507.57, 4,840.56 and 1,935.90

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Solution

The fourth proportional to 3,507.57, 4,840.56 and 1,935.90 is: 2,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.57 : 4,840.56 = 1,935.90 : x
  2. Step 2: Convert to fraction form
    3,507.57/4,840.56 = 1,935.90/x
  3. Step 3: Cross multiply
    3,507.57x = 4,840.56 × 1,935.90
  4. Step 4: Simplify right side
    3,507.57x = 9,370,840.10
  5. Step 5: Solve for x
    x = 9,370,840.10/3,507.57
  6. Step 6: Final answer
    x = 2,671.60

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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.