Home / 3,678.04-5,075.67-1,999.41

Finding the Fourth Proportional to 3,678.04, 5,075.67 and 1,999.41

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Solution

The fourth proportional to 3,678.04, 5,075.67 and 1,999.41 is: 2,759.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.04 : 5,075.67 = 1,999.41 : x
  2. Step 2: Convert to fraction form
    3,678.04/5,075.67 = 1,999.41/x
  3. Step 3: Cross multiply
    3,678.04x = 5,075.67 × 1,999.41
  4. Step 4: Simplify right side
    3,678.04x = 10,148,345.35
  5. Step 5: Solve for x
    x = 10,148,345.35/3,678.04
  6. Step 6: Final answer
    x = 2,759.17

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1.5x scale

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.