Home / 2,953.11-4,075.28-1,626.80

Finding the Fourth Proportional to 2,953.11, 4,075.28 and 1,626.80

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Solution

The fourth proportional to 2,953.11, 4,075.28 and 1,626.80 is: 2,244.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.11 : 4,075.28 = 1,626.80 : x
  2. Step 2: Convert to fraction form
    2,953.11/4,075.28 = 1,626.80/x
  3. Step 3: Cross multiply
    2,953.11x = 4,075.28 × 1,626.80
  4. Step 4: Simplify right side
    2,953.11x = 6,629,679.76
  5. Step 5: Solve for x
    x = 6,629,679.76/2,953.11
  6. Step 6: Final answer
    x = 2,244.98

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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.