Home / 1,632.05-2,253.81-1,394.60

Finding the Fourth Proportional to 1,632.05, 2,253.81 and 1,394.60

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Solution

The fourth proportional to 1,632.05, 2,253.81 and 1,394.60 is: 1,925.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.05 : 2,253.81 = 1,394.60 : x
  2. Step 2: Convert to fraction form
    1,632.05/2,253.81 = 1,394.60/x
  3. Step 3: Cross multiply
    1,632.05x = 2,253.81 × 1,394.60
  4. Step 4: Simplify right side
    1,632.05x = 3,143,152.16
  5. Step 5: Solve for x
    x = 3,143,152.16/1,632.05
  6. Step 6: Final answer
    x = 1,925.90

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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.