Home / 1,721.88-2,374.80-1,500.45

Finding the Fourth Proportional to 1,721.88, 2,374.80 and 1,500.45

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Solution

The fourth proportional to 1,721.88, 2,374.80 and 1,500.45 is: 2,069.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721.88 : 2,374.80 = 1,500.45 : x
  2. Step 2: Convert to fraction form
    1,721.88/2,374.80 = 1,500.45/x
  3. Step 3: Cross multiply
    1,721.88x = 2,374.80 × 1,500.45
  4. Step 4: Simplify right side
    1,721.88x = 3,563,268.66
  5. Step 5: Solve for x
    x = 3,563,268.66/1,721.88
  6. Step 6: Final answer
    x = 2,069.41

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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.