Home / 1,961.36-2,946.36-1,529.36

Finding the Fourth Proportional to 1,961.36, 2,946.36 and 1,529.36

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Solution

The fourth proportional to 1,961.36, 2,946.36 and 1,529.36 is: 2,297.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961.36 : 2,946.36 = 1,529.36 : x
  2. Step 2: Convert to fraction form
    1,961.36/2,946.36 = 1,529.36/x
  3. Step 3: Cross multiply
    1,961.36x = 2,946.36 × 1,529.36
  4. Step 4: Simplify right side
    1,961.36x = 4,506,045.13
  5. Step 5: Solve for x
    x = 4,506,045.13/1,961.36
  6. Step 6: Final answer
    x = 2,297.41

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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.