Home / 2,529.22-3,489.60-1,646.32

Finding the Fourth Proportional to 2,529.22, 3,489.60 and 1,646.32

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Solution

The fourth proportional to 2,529.22, 3,489.60 and 1,646.32 is: 2,271.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.22 : 3,489.60 = 1,646.32 : x
  2. Step 2: Convert to fraction form
    2,529.22/3,489.60 = 1,646.32/x
  3. Step 3: Cross multiply
    2,529.22x = 3,489.60 × 1,646.32
  4. Step 4: Simplify right side
    2,529.22x = 5,744,998.27
  5. Step 5: Solve for x
    x = 5,744,998.27/2,529.22
  6. Step 6: Final answer
    x = 2,271.45

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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.