Home / 1,930.37-2,895.55-1,070.15

Finding the Fourth Proportional to 1,930.37, 2,895.55 and 1,070.15

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Solution

The fourth proportional to 1,930.37, 2,895.55 and 1,070.15 is: 1,605.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930.37 : 2,895.55 = 1,070.15 : x
  2. Step 2: Convert to fraction form
    1,930.37/2,895.55 = 1,070.15/x
  3. Step 3: Cross multiply
    1,930.37x = 2,895.55 × 1,070.15
  4. Step 4: Simplify right side
    1,930.37x = 3,098,655.68
  5. Step 5: Solve for x
    x = 3,098,655.68/1,930.37
  6. Step 6: Final answer
    x = 1,605.22

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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.