Home / 3,560.08-4,912.96-1,988.32

Finding the Fourth Proportional to 3,560.08, 4,912.96 and 1,988.32

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Solution

The fourth proportional to 3,560.08, 4,912.96 and 1,988.32 is: 2,743.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.08 : 4,912.96 = 1,988.32 : x
  2. Step 2: Convert to fraction form
    3,560.08/4,912.96 = 1,988.32/x
  3. Step 3: Cross multiply
    3,560.08x = 4,912.96 × 1,988.32
  4. Step 4: Simplify right side
    3,560.08x = 9,768,536.63
  5. Step 5: Solve for x
    x = 9,768,536.63/3,560.08
  6. Step 6: Final answer
    x = 2,743.91

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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.