Home / 3,290.42-4,541.28-1,893.08

Finding the Fourth Proportional to 3,290.42, 4,541.28 and 1,893.08

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Solution

The fourth proportional to 3,290.42, 4,541.28 and 1,893.08 is: 2,612.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.42 : 4,541.28 = 1,893.08 : x
  2. Step 2: Convert to fraction form
    3,290.42/4,541.28 = 1,893.08/x
  3. Step 3: Cross multiply
    3,290.42x = 4,541.28 × 1,893.08
  4. Step 4: Simplify right side
    3,290.42x = 8,597,006.34
  5. Step 5: Solve for x
    x = 8,597,006.34/3,290.42
  6. Step 6: Final answer
    x = 2,612.74

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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.