Home / 1,525-2,102.95-1,244.33

Finding the Fourth Proportional to 1,525, 2,102.95 and 1,244.33

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Solution

The fourth proportional to 1,525, 2,102.95 and 1,244.33 is: 1,715.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525 : 2,102.95 = 1,244.33 : x
  2. Step 2: Convert to fraction form
    1,525/2,102.95 = 1,244.33/x
  3. Step 3: Cross multiply
    1,525x = 2,102.95 × 1,244.33
  4. Step 4: Simplify right side
    1,525x = 2,616,763.77
  5. Step 5: Solve for x
    x = 2,616,763.77/1,525
  6. Step 6: Final answer
    x = 1,715.91

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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.