Home / 1,506.31-2,258.63-518.67

Finding the Fourth Proportional to 1,506.31, 2,258.63 and 518.67

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Solution

The fourth proportional to 1,506.31, 2,258.63 and 518.67 is: 777.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506.31 : 2,258.63 = 518.67 : x
  2. Step 2: Convert to fraction form
    1,506.31/2,258.63 = 518.67/x
  3. Step 3: Cross multiply
    1,506.31x = 2,258.63 × 518.67
  4. Step 4: Simplify right side
    1,506.31x = 1,171,485.89
  5. Step 5: Solve for x
    x = 1,171,485.89/1,506.31
  6. Step 6: Final answer
    x = 777.72

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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.