Home / 3,416.18-5,122.95-1,075.68

Finding the Fourth Proportional to 3,416.18, 5,122.95 and 1,075.68

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Solution

The fourth proportional to 3,416.18, 5,122.95 and 1,075.68 is: 1,613.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416.18 : 5,122.95 = 1,075.68 : x
  2. Step 2: Convert to fraction form
    3,416.18/5,122.95 = 1,075.68/x
  3. Step 3: Cross multiply
    3,416.18x = 5,122.95 × 1,075.68
  4. Step 4: Simplify right side
    3,416.18x = 5,510,650.82
  5. Step 5: Solve for x
    x = 5,510,650.82/3,416.18
  6. Step 6: Final answer
    x = 1,613.11

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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.