Home / 3,529.16-4,870.20-1,957.20

Finding the Fourth Proportional to 3,529.16, 4,870.20 and 1,957.20

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Solution

The fourth proportional to 3,529.16, 4,870.20 and 1,957.20 is: 2,700.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.16 : 4,870.20 = 1,957.20 : x
  2. Step 2: Convert to fraction form
    3,529.16/4,870.20 = 1,957.20/x
  3. Step 3: Cross multiply
    3,529.16x = 4,870.20 × 1,957.20
  4. Step 4: Simplify right side
    3,529.16x = 9,531,955.44
  5. Step 5: Solve for x
    x = 9,531,955.44/3,529.16
  6. Step 6: Final answer
    x = 2,700.91

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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.