Home / 3,430.57-4,734.15-1,858.66

Finding the Fourth Proportional to 3,430.57, 4,734.15 and 1,858.66

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Solution

The fourth proportional to 3,430.57, 4,734.15 and 1,858.66 is: 2,564.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.57 : 4,734.15 = 1,858.66 : x
  2. Step 2: Convert to fraction form
    3,430.57/4,734.15 = 1,858.66/x
  3. Step 3: Cross multiply
    3,430.57x = 4,734.15 × 1,858.66
  4. Step 4: Simplify right side
    3,430.57x = 8,799,151.57
  5. Step 5: Solve for x
    x = 8,799,151.57/3,430.57
  6. Step 6: Final answer
    x = 2,564.93

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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.