Home / 1,601.28-2,209.10-1,041.57

Finding the Fourth Proportional to 1,601.28, 2,209.10 and 1,041.57

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Solution

The fourth proportional to 1,601.28, 2,209.10 and 1,041.57 is: 1,436.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601.28 : 2,209.10 = 1,041.57 : x
  2. Step 2: Convert to fraction form
    1,601.28/2,209.10 = 1,041.57/x
  3. Step 3: Cross multiply
    1,601.28x = 2,209.10 × 1,041.57
  4. Step 4: Simplify right side
    1,601.28x = 2,300,927.08
  5. Step 5: Solve for x
    x = 2,300,927.08/1,601.28
  6. Step 6: Final answer
    x = 1,436.93

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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.