Home / 1,605.02-2,214.44-1,106.87

Finding the Fourth Proportional to 1,605.02, 2,214.44 and 1,106.87

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Solution

The fourth proportional to 1,605.02, 2,214.44 and 1,106.87 is: 1,527.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605.02 : 2,214.44 = 1,106.87 : x
  2. Step 2: Convert to fraction form
    1,605.02/2,214.44 = 1,106.87/x
  3. Step 3: Cross multiply
    1,605.02x = 2,214.44 × 1,106.87
  4. Step 4: Simplify right side
    1,605.02x = 2,451,084.75
  5. Step 5: Solve for x
    x = 2,451,084.75/1,605.02
  6. Step 6: Final answer
    x = 1,527.14

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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.