Home / 3,840.14-5,760.54-1,648.35

Finding the Fourth Proportional to 3,840.14, 5,760.54 and 1,648.35

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Solution

The fourth proportional to 3,840.14, 5,760.54 and 1,648.35 is: 2,472.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.14 : 5,760.54 = 1,648.35 : x
  2. Step 2: Convert to fraction form
    3,840.14/5,760.54 = 1,648.35/x
  3. Step 3: Cross multiply
    3,840.14x = 5,760.54 × 1,648.35
  4. Step 4: Simplify right side
    3,840.14x = 9,495,386.11
  5. Step 5: Solve for x
    x = 9,495,386.11/3,840.14
  6. Step 6: Final answer
    x = 2,472.67

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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.