Home / 1,715.35-2,573.30-741.46

Finding the Fourth Proportional to 1,715.35, 2,573.30 and 741.46

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Solution

The fourth proportional to 1,715.35, 2,573.30 and 741.46 is: 1,112.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.35 : 2,573.30 = 741.46 : x
  2. Step 2: Convert to fraction form
    1,715.35/2,573.30 = 741.46/x
  3. Step 3: Cross multiply
    1,715.35x = 2,573.30 × 741.46
  4. Step 4: Simplify right side
    1,715.35x = 1,907,999.02
  5. Step 5: Solve for x
    x = 1,907,999.02/1,715.35
  6. Step 6: Final answer
    x = 1,112.31

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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.