Home / 3,075.80-4,608.90-2,586.20

Finding the Fourth Proportional to 3,075.80, 4,608.90 and 2,586.20

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Solution

The fourth proportional to 3,075.80, 4,608.90 and 2,586.20 is: 3,875.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.80 : 4,608.90 = 2,586.20 : x
  2. Step 2: Convert to fraction form
    3,075.80/4,608.90 = 2,586.20/x
  3. Step 3: Cross multiply
    3,075.80x = 4,608.90 × 2,586.20
  4. Step 4: Simplify right side
    3,075.80x = 11,919,537.18
  5. Step 5: Solve for x
    x = 11,919,537.18/3,075.80
  6. Step 6: Final answer
    x = 3,875.26

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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.