Home / 3,490.86-4,816.67-2,075.05

Finding the Fourth Proportional to 3,490.86, 4,816.67 and 2,075.05

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Solution

The fourth proportional to 3,490.86, 4,816.67 and 2,075.05 is: 2,863.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.86 : 4,816.67 = 2,075.05 : x
  2. Step 2: Convert to fraction form
    3,490.86/4,816.67 = 2,075.05/x
  3. Step 3: Cross multiply
    3,490.86x = 4,816.67 × 2,075.05
  4. Step 4: Simplify right side
    3,490.86x = 9,994,826.73
  5. Step 5: Solve for x
    x = 9,994,826.73/3,490.86
  6. Step 6: Final answer
    x = 2,863.14

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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.