Home / 4,075.61-5,622.70-2,658.80

Finding the Fourth Proportional to 4,075.61, 5,622.70 and 2,658.80

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Solution

The fourth proportional to 4,075.61, 5,622.70 and 2,658.80 is: 3,668.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,075.61 : 5,622.70 = 2,658.80 : x
  2. Step 2: Convert to fraction form
    4,075.61/5,622.70 = 2,658.80/x
  3. Step 3: Cross multiply
    4,075.61x = 5,622.70 × 2,658.80
  4. Step 4: Simplify right side
    4,075.61x = 14,949,634.76
  5. Step 5: Solve for x
    x = 14,949,634.76/4,075.61
  6. Step 6: Final answer
    x = 3,668.07

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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.