Home / 3,529.16-4,870.17-2,037.21

Finding the Fourth Proportional to 3,529.16, 4,870.17 and 2,037.21

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Solution

The fourth proportional to 3,529.16, 4,870.17 and 2,037.21 is: 2,811.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.16 : 4,870.17 = 2,037.21 : x
  2. Step 2: Convert to fraction form
    3,529.16/4,870.17 = 2,037.21/x
  3. Step 3: Cross multiply
    3,529.16x = 4,870.17 × 2,037.21
  4. Step 4: Simplify right side
    3,529.16x = 9,921,559.03
  5. Step 5: Solve for x
    x = 9,921,559.03/3,529.16
  6. Step 6: Final answer
    x = 2,811.31

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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.