Home / 3,075.87-4,244.73-1,678.62

Finding the Fourth Proportional to 3,075.87, 4,244.73 and 1,678.62

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Solution

The fourth proportional to 3,075.87, 4,244.73 and 1,678.62 is: 2,316.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.87 : 4,244.73 = 1,678.62 : x
  2. Step 2: Convert to fraction form
    3,075.87/4,244.73 = 1,678.62/x
  3. Step 3: Cross multiply
    3,075.87x = 4,244.73 × 1,678.62
  4. Step 4: Simplify right side
    3,075.87x = 7,125,288.67
  5. Step 5: Solve for x
    x = 7,125,288.67/3,075.87
  6. Step 6: Final answer
    x = 2,316.51

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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.