Home / 3,529.15-4,870.06-1,957.21

Finding the Fourth Proportional to 3,529.15, 4,870.06 and 1,957.21

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Solution

The fourth proportional to 3,529.15, 4,870.06 and 1,957.21 is: 2,700.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.15 : 4,870.06 = 1,957.21 : x
  2. Step 2: Convert to fraction form
    3,529.15/4,870.06 = 1,957.21/x
  3. Step 3: Cross multiply
    3,529.15x = 4,870.06 × 1,957.21
  4. Step 4: Simplify right side
    3,529.15x = 9,531,713.06
  5. Step 5: Solve for x
    x = 9,531,713.06/3,529.15
  6. Step 6: Final answer
    x = 2,700.85

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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.