Home / 1,953.33-2,927.60-1,075.80

Finding the Fourth Proportional to 1,953.33, 2,927.60 and 1,075.80

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Solution

The fourth proportional to 1,953.33, 2,927.60 and 1,075.80 is: 1,612.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953.33 : 2,927.60 = 1,075.80 : x
  2. Step 2: Convert to fraction form
    1,953.33/2,927.60 = 1,075.80/x
  3. Step 3: Cross multiply
    1,953.33x = 2,927.60 × 1,075.80
  4. Step 4: Simplify right side
    1,953.33x = 3,149,514.77
  5. Step 5: Solve for x
    x = 3,149,514.77/1,953.33
  6. Step 6: Final answer
    x = 1,612.38

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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.