Home / 4,038.70-6,043.65-2,800.30

Finding the Fourth Proportional to 4,038.70, 6,043.65 and 2,800.30

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Solution

The fourth proportional to 4,038.70, 6,043.65 and 2,800.30 is: 4,190.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,038.70 : 6,043.65 = 2,800.30 : x
  2. Step 2: Convert to fraction form
    4,038.70/6,043.65 = 2,800.30/x
  3. Step 3: Cross multiply
    4,038.70x = 6,043.65 × 2,800.30
  4. Step 4: Simplify right side
    4,038.70x = 16,924,033.10
  5. Step 5: Solve for x
    x = 16,924,033.10/4,038.70
  6. Step 6: Final answer
    x = 4,190.47

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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.