Home / 3,730.80-5,588.10-3,320.40

Finding the Fourth Proportional to 3,730.80, 5,588.10 and 3,320.40

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Solution

The fourth proportional to 3,730.80, 5,588.10 and 3,320.40 is: 4,973.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.80 : 5,588.10 = 3,320.40 : x
  2. Step 2: Convert to fraction form
    3,730.80/5,588.10 = 3,320.40/x
  3. Step 3: Cross multiply
    3,730.80x = 5,588.10 × 3,320.40
  4. Step 4: Simplify right side
    3,730.80x = 18,554,727.24
  5. Step 5: Solve for x
    x = 18,554,727.24/3,730.80
  6. Step 6: Final answer
    x = 4,973.39

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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.