Home / 3,529.12-4,870.20-1,957.22

Finding the Fourth Proportional to 3,529.12, 4,870.20 and 1,957.22

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Solution

The fourth proportional to 3,529.12, 4,870.20 and 1,957.22 is: 2,700.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.12 : 4,870.20 = 1,957.22 : x
  2. Step 2: Convert to fraction form
    3,529.12/4,870.20 = 1,957.22/x
  3. Step 3: Cross multiply
    3,529.12x = 4,870.20 × 1,957.22
  4. Step 4: Simplify right side
    3,529.12x = 9,532,035.83
  5. Step 5: Solve for x
    x = 9,532,035.83/3,529.12
  6. Step 6: Final answer
    x = 2,700.97

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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.