Home / 3,730.30-5,588.70-2,955.40

Finding the Fourth Proportional to 3,730.30, 5,588.70 and 2,955.40

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Solution

The fourth proportional to 3,730.30, 5,588.70 and 2,955.40 is: 4,427.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.30 : 5,588.70 = 2,955.40 : x
  2. Step 2: Convert to fraction form
    3,730.30/5,588.70 = 2,955.40/x
  3. Step 3: Cross multiply
    3,730.30x = 5,588.70 × 2,955.40
  4. Step 4: Simplify right side
    3,730.30x = 16,516,843.98
  5. Step 5: Solve for x
    x = 16,516,843.98/3,730.30
  6. Step 6: Final answer
    x = 4,427.75

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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.