Home / 3,075.15-4,609.17-1,317.52

Finding the Fourth Proportional to 3,075.15, 4,609.17 and 1,317.52

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Solution

The fourth proportional to 3,075.15, 4,609.17 and 1,317.52 is: 1,974.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.15 : 4,609.17 = 1,317.52 : x
  2. Step 2: Convert to fraction form
    3,075.15/4,609.17 = 1,317.52/x
  3. Step 3: Cross multiply
    3,075.15x = 4,609.17 × 1,317.52
  4. Step 4: Simplify right side
    3,075.15x = 6,072,673.66
  5. Step 5: Solve for x
    x = 6,072,673.66/3,075.15
  6. Step 6: Final answer
    x = 1,974.76

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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.