Home / 3,290.42-4,541.18-1,874.45

Finding the Fourth Proportional to 3,290.42, 4,541.18 and 1,874.45

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Solution

The fourth proportional to 3,290.42, 4,541.18 and 1,874.45 is: 2,586.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.42 : 4,541.18 = 1,874.45 : x
  2. Step 2: Convert to fraction form
    3,290.42/4,541.18 = 1,874.45/x
  3. Step 3: Cross multiply
    3,290.42x = 4,541.18 × 1,874.45
  4. Step 4: Simplify right side
    3,290.42x = 8,512,182.77
  5. Step 5: Solve for x
    x = 8,512,182.77/3,290.42
  6. Step 6: Final answer
    x = 2,586.96

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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.