Home / 3,148.98-4,346.04-1,890.54

Finding the Fourth Proportional to 3,148.98, 4,346.04 and 1,890.54

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Solution

The fourth proportional to 3,148.98, 4,346.04 and 1,890.54 is: 2,609.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.98 : 4,346.04 = 1,890.54 : x
  2. Step 2: Convert to fraction form
    3,148.98/4,346.04 = 1,890.54/x
  3. Step 3: Cross multiply
    3,148.98x = 4,346.04 × 1,890.54
  4. Step 4: Simplify right side
    3,148.98x = 8,216,362.46
  5. Step 5: Solve for x
    x = 8,216,362.46/3,148.98
  6. Step 6: Final answer
    x = 2,609.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.