Home / 3,048.89-4,202.60-2,488.39

Finding the Fourth Proportional to 3,048.89, 4,202.60 and 2,488.39

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Solution

The fourth proportional to 3,048.89, 4,202.60 and 2,488.39 is: 3,430.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.89 : 4,202.60 = 2,488.39 : x
  2. Step 2: Convert to fraction form
    3,048.89/4,202.60 = 2,488.39/x
  3. Step 3: Cross multiply
    3,048.89x = 4,202.60 × 2,488.39
  4. Step 4: Simplify right side
    3,048.89x = 10,457,700.63
  5. Step 5: Solve for x
    x = 10,457,700.63/3,048.89
  6. Step 6: Final answer
    x = 3,430.01

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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.