Home / 2,847.71-4,271.54-1,722.19

Finding the Fourth Proportional to 2,847.71, 4,271.54 and 1,722.19

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Solution

The fourth proportional to 2,847.71, 4,271.54 and 1,722.19 is: 2,583.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.71 : 4,271.54 = 1,722.19 : x
  2. Step 2: Convert to fraction form
    2,847.71/4,271.54 = 1,722.19/x
  3. Step 3: Cross multiply
    2,847.71x = 4,271.54 × 1,722.19
  4. Step 4: Simplify right side
    2,847.71x = 7,356,397.10
  5. Step 5: Solve for x
    x = 7,356,397.10/2,847.71
  6. Step 6: Final answer
    x = 2,583.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.