Home / 3,038.35-4,555.19-1,393.71

Finding the Fourth Proportional to 3,038.35, 4,555.19 and 1,393.71

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Solution

The fourth proportional to 3,038.35, 4,555.19 and 1,393.71 is: 2,089.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.35 : 4,555.19 = 1,393.71 : x
  2. Step 2: Convert to fraction form
    3,038.35/4,555.19 = 1,393.71/x
  3. Step 3: Cross multiply
    3,038.35x = 4,555.19 × 1,393.71
  4. Step 4: Simplify right side
    3,038.35x = 6,348,613.85
  5. Step 5: Solve for x
    x = 6,348,613.85/3,038.35
  6. Step 6: Final answer
    x = 2,089.49

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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.