Home / 3,075.35-4,611.06-1,432.40

Finding the Fourth Proportional to 3,075.35, 4,611.06 and 1,432.40

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Solution

The fourth proportional to 3,075.35, 4,611.06 and 1,432.40 is: 2,147.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.35 : 4,611.06 = 1,432.40 : x
  2. Step 2: Convert to fraction form
    3,075.35/4,611.06 = 1,432.40/x
  3. Step 3: Cross multiply
    3,075.35x = 4,611.06 × 1,432.40
  4. Step 4: Simplify right side
    3,075.35x = 6,604,859.29
  5. Step 5: Solve for x
    x = 6,604,859.29/3,075.35
  6. Step 6: Final answer
    x = 2,147.68

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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.