Home / 2,807.03-4,211.76-1,346.20

Finding the Fourth Proportional to 2,807.03, 4,211.76 and 1,346.20

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Solution

The fourth proportional to 2,807.03, 4,211.76 and 1,346.20 is: 2,019.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807.03 : 4,211.76 = 1,346.20 : x
  2. Step 2: Convert to fraction form
    2,807.03/4,211.76 = 1,346.20/x
  3. Step 3: Cross multiply
    2,807.03x = 4,211.76 × 1,346.20
  4. Step 4: Simplify right side
    2,807.03x = 5,669,871.31
  5. Step 5: Solve for x
    x = 5,669,871.31/2,807.03
  6. Step 6: Final answer
    x = 2,019.88

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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.