Home / 3,430.53-4,734.12-1,858.62

Finding the Fourth Proportional to 3,430.53, 4,734.12 and 1,858.62

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Solution

The fourth proportional to 3,430.53, 4,734.12 and 1,858.62 is: 2,564.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.53 : 4,734.12 = 1,858.62 : x
  2. Step 2: Convert to fraction form
    3,430.53/4,734.12 = 1,858.62/x
  3. Step 3: Cross multiply
    3,430.53x = 4,734.12 × 1,858.62
  4. Step 4: Simplify right side
    3,430.53x = 8,798,930.11
  5. Step 5: Solve for x
    x = 8,798,930.11/3,430.53
  6. Step 6: Final answer
    x = 2,564.89

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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.