Home / 1,436.36-2,154.51-949.29

Finding the Fourth Proportional to 1,436.36, 2,154.51 and 949.29

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Solution

The fourth proportional to 1,436.36, 2,154.51 and 949.29 is: 1,423.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436.36 : 2,154.51 = 949.29 : x
  2. Step 2: Convert to fraction form
    1,436.36/2,154.51 = 949.29/x
  3. Step 3: Cross multiply
    1,436.36x = 2,154.51 × 949.29
  4. Step 4: Simplify right side
    1,436.36x = 2,045,254.80
  5. Step 5: Solve for x
    x = 2,045,254.80/1,436.36
  6. Step 6: Final answer
    x = 1,423.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.