Home / 1,715.33-2,573.18-675.19

Finding the Fourth Proportional to 1,715.33, 2,573.18 and 675.19

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Solution

The fourth proportional to 1,715.33, 2,573.18 and 675.19 is: 1,012.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.33 : 2,573.18 = 675.19 : x
  2. Step 2: Convert to fraction form
    1,715.33/2,573.18 = 675.19/x
  3. Step 3: Cross multiply
    1,715.33x = 2,573.18 × 675.19
  4. Step 4: Simplify right side
    1,715.33x = 1,737,398.81
  5. Step 5: Solve for x
    x = 1,737,398.81/1,715.33
  6. Step 6: Final answer
    x = 1,012.87

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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.