Home / 1,075.33-1,491.85-1,036.45

Finding the Fourth Proportional to 1,075.33, 1,491.85 and 1,036.45

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Solution

The fourth proportional to 1,075.33, 1,491.85 and 1,036.45 is: 1,437.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075.33 : 1,491.85 = 1,036.45 : x
  2. Step 2: Convert to fraction form
    1,075.33/1,491.85 = 1,036.45/x
  3. Step 3: Cross multiply
    1,075.33x = 1,491.85 × 1,036.45
  4. Step 4: Simplify right side
    1,075.33x = 1,546,227.93
  5. Step 5: Solve for x
    x = 1,546,227.93/1,075.33
  6. Step 6: Final answer
    x = 1,437.91

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.