Home / 3,471.19-4,792.43-2,145.65

Finding the Fourth Proportional to 3,471.19, 4,792.43 and 2,145.65

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Solution

The fourth proportional to 3,471.19, 4,792.43 and 2,145.65 is: 2,962.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471.19 : 4,792.43 = 2,145.65 : x
  2. Step 2: Convert to fraction form
    3,471.19/4,792.43 = 2,145.65/x
  3. Step 3: Cross multiply
    3,471.19x = 4,792.43 × 2,145.65
  4. Step 4: Simplify right side
    3,471.19x = 10,282,858.83
  5. Step 5: Solve for x
    x = 10,282,858.83/3,471.19
  6. Step 6: Final answer
    x = 2,962.35

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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.