Home / 1,769.31-2,436.08-1,503.18

Finding the Fourth Proportional to 1,769.31, 2,436.08 and 1,503.18

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Solution

The fourth proportional to 1,769.31, 2,436.08 and 1,503.18 is: 2,069.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769.31 : 2,436.08 = 1,503.18 : x
  2. Step 2: Convert to fraction form
    1,769.31/2,436.08 = 1,503.18/x
  3. Step 3: Cross multiply
    1,769.31x = 2,436.08 × 1,503.18
  4. Step 4: Simplify right side
    1,769.31x = 3,661,859.22
  5. Step 5: Solve for x
    x = 3,661,859.22/1,769.31
  6. Step 6: Final answer
    x = 2,069.65

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1.5x scale

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.