Home / 3,228.98-4,458.70-2,430.93

Finding the Fourth Proportional to 3,228.98, 4,458.70 and 2,430.93

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Solution

The fourth proportional to 3,228.98, 4,458.70 and 2,430.93 is: 3,356.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.98 : 4,458.70 = 2,430.93 : x
  2. Step 2: Convert to fraction form
    3,228.98/4,458.70 = 2,430.93/x
  3. Step 3: Cross multiply
    3,228.98x = 4,458.70 × 2,430.93
  4. Step 4: Simplify right side
    3,228.98x = 10,838,768.60
  5. Step 5: Solve for x
    x = 10,838,768.60/3,228.98
  6. Step 6: Final answer
    x = 3,356.72

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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.