Home / 3,070.46-4,235.89-2,075.38

Finding the Fourth Proportional to 3,070.46, 4,235.89 and 2,075.38

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Solution

The fourth proportional to 3,070.46, 4,235.89 and 2,075.38 is: 2,863.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.46 : 4,235.89 = 2,075.38 : x
  2. Step 2: Convert to fraction form
    3,070.46/4,235.89 = 2,075.38/x
  3. Step 3: Cross multiply
    3,070.46x = 4,235.89 × 2,075.38
  4. Step 4: Simplify right side
    3,070.46x = 8,791,081.39
  5. Step 5: Solve for x
    x = 8,791,081.39/3,070.46
  6. Step 6: Final answer
    x = 2,863.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.