Home / 1,436.36-2,154.63-1,419.95

Finding the Fourth Proportional to 1,436.36, 2,154.63 and 1,419.95

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Solution

The fourth proportional to 1,436.36, 2,154.63 and 1,419.95 is: 2,130.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436.36 : 2,154.63 = 1,419.95 : x
  2. Step 2: Convert to fraction form
    1,436.36/2,154.63 = 1,419.95/x
  3. Step 3: Cross multiply
    1,436.36x = 2,154.63 × 1,419.95
  4. Step 4: Simplify right side
    1,436.36x = 3,059,466.87
  5. Step 5: Solve for x
    x = 3,059,466.87/1,436.36
  6. Step 6: Final answer
    x = 2,130.01

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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.