Home / 1,914.55-2,642.07-1,075.29

Finding the Fourth Proportional to 1,914.55, 2,642.07 and 1,075.29

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Solution

The fourth proportional to 1,914.55, 2,642.07 and 1,075.29 is: 1,483.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914.55 : 2,642.07 = 1,075.29 : x
  2. Step 2: Convert to fraction form
    1,914.55/2,642.07 = 1,075.29/x
  3. Step 3: Cross multiply
    1,914.55x = 2,642.07 × 1,075.29
  4. Step 4: Simplify right side
    1,914.55x = 2,840,985.57
  5. Step 5: Solve for x
    x = 2,840,985.57/1,914.55
  6. Step 6: Final answer
    x = 1,483.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.