Home / 1,605.08-2,214.95-942.01

Finding the Fourth Proportional to 1,605.08, 2,214.95 and 942.01

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Solution

The fourth proportional to 1,605.08, 2,214.95 and 942.01 is: 1,299.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605.08 : 2,214.95 = 942.01 : x
  2. Step 2: Convert to fraction form
    1,605.08/2,214.95 = 942.01/x
  3. Step 3: Cross multiply
    1,605.08x = 2,214.95 × 942.01
  4. Step 4: Simplify right side
    1,605.08x = 2,086,494.80
  5. Step 5: Solve for x
    x = 2,086,494.80/1,605.08
  6. Step 6: Final answer
    x = 1,299.93

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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.