Home / 3,529.40-4,870.37-1,935.75

Finding the Fourth Proportional to 3,529.40, 4,870.37 and 1,935.75

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Solution

The fourth proportional to 3,529.40, 4,870.37 and 1,935.75 is: 2,671.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.40 : 4,870.37 = 1,935.75 : x
  2. Step 2: Convert to fraction form
    3,529.40/4,870.37 = 1,935.75/x
  3. Step 3: Cross multiply
    3,529.40x = 4,870.37 × 1,935.75
  4. Step 4: Simplify right side
    3,529.40x = 9,427,823.57
  5. Step 5: Solve for x
    x = 9,427,823.57/3,529.40
  6. Step 6: Final answer
    x = 2,671.22

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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.