Home / 1,514.26-2,271.36-692.77

Finding the Fourth Proportional to 1,514.26, 2,271.36 and 692.77

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Solution

The fourth proportional to 1,514.26, 2,271.36 and 692.77 is: 1,039.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514.26 : 2,271.36 = 692.77 : x
  2. Step 2: Convert to fraction form
    1,514.26/2,271.36 = 692.77/x
  3. Step 3: Cross multiply
    1,514.26x = 2,271.36 × 692.77
  4. Step 4: Simplify right side
    1,514.26x = 1,573,530.07
  5. Step 5: Solve for x
    x = 1,573,530.07/1,514.26
  6. Step 6: Final answer
    x = 1,039.14

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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.