Home / 3,590.80-5,374.05-3,153.40

Finding the Fourth Proportional to 3,590.80, 5,374.05 and 3,153.40

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Solution

The fourth proportional to 3,590.80, 5,374.05 and 3,153.40 is: 4,719.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.80 : 5,374.05 = 3,153.40 : x
  2. Step 2: Convert to fraction form
    3,590.80/5,374.05 = 3,153.40/x
  3. Step 3: Cross multiply
    3,590.80x = 5,374.05 × 3,153.40
  4. Step 4: Simplify right side
    3,590.80x = 16,946,529.27
  5. Step 5: Solve for x
    x = 16,946,529.27/3,590.80
  6. Step 6: Final answer
    x = 4,719.43

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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.