Home / 4,075.80-6,108.84-2,102.40

Finding the Fourth Proportional to 4,075.80, 6,108.84 and 2,102.40

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Solution

The fourth proportional to 4,075.80, 6,108.84 and 2,102.40 is: 3,151.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,075.80 : 6,108.84 = 2,102.40 : x
  2. Step 2: Convert to fraction form
    4,075.80/6,108.84 = 2,102.40/x
  3. Step 3: Cross multiply
    4,075.80x = 6,108.84 × 2,102.40
  4. Step 4: Simplify right side
    4,075.80x = 12,843,225.22
  5. Step 5: Solve for x
    x = 12,843,225.22/4,075.80
  6. Step 6: Final answer
    x = 3,151.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.