Home / 2,635.39-3,953.07-1,075.05

Finding the Fourth Proportional to 2,635.39, 3,953.07 and 1,075.05

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Solution

The fourth proportional to 2,635.39, 3,953.07 and 1,075.05 is: 1,612.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635.39 : 3,953.07 = 1,075.05 : x
  2. Step 2: Convert to fraction form
    2,635.39/3,953.07 = 1,075.05/x
  3. Step 3: Cross multiply
    2,635.39x = 3,953.07 × 1,075.05
  4. Step 4: Simplify right side
    2,635.39x = 4,249,747.90
  5. Step 5: Solve for x
    x = 4,249,747.90/2,635.39
  6. Step 6: Final answer
    x = 1,612.57

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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.