Home / 3,075.90-4,616.01-1,345.74

Finding the Fourth Proportional to 3,075.90, 4,616.01 and 1,345.74

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Solution

The fourth proportional to 3,075.90, 4,616.01 and 1,345.74 is: 2,019.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.90 : 4,616.01 = 1,345.74 : x
  2. Step 2: Convert to fraction form
    3,075.90/4,616.01 = 1,345.74/x
  3. Step 3: Cross multiply
    3,075.90x = 4,616.01 × 1,345.74
  4. Step 4: Simplify right side
    3,075.90x = 6,211,949.30
  5. Step 5: Solve for x
    x = 6,211,949.30/3,075.90
  6. Step 6: Final answer
    x = 2,019.56

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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.