Home / 3,048.40-4,570.80-1,099.72

Finding the Fourth Proportional to 3,048.40, 4,570.80 and 1,099.72

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Solution

The fourth proportional to 3,048.40, 4,570.80 and 1,099.72 is: 1,648.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.40 : 4,570.80 = 1,099.72 : x
  2. Step 2: Convert to fraction form
    3,048.40/4,570.80 = 1,099.72/x
  3. Step 3: Cross multiply
    3,048.40x = 4,570.80 × 1,099.72
  4. Step 4: Simplify right side
    3,048.40x = 5,026,600.18
  5. Step 5: Solve for x
    x = 5,026,600.18/3,048.40
  6. Step 6: Final answer
    x = 1,648.93

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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.