Home / 3,508.16-5,258.59-1,657.89

Finding the Fourth Proportional to 3,508.16, 5,258.59 and 1,657.89

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Solution

The fourth proportional to 3,508.16, 5,258.59 and 1,657.89 is: 2,485.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.16 : 5,258.59 = 1,657.89 : x
  2. Step 2: Convert to fraction form
    3,508.16/5,258.59 = 1,657.89/x
  3. Step 3: Cross multiply
    3,508.16x = 5,258.59 × 1,657.89
  4. Step 4: Simplify right side
    3,508.16x = 8,718,159.63
  5. Step 5: Solve for x
    x = 8,718,159.63/3,508.16
  6. Step 6: Final answer
    x = 2,485.11

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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.