Home / 3,450.70-5,172.96-2,870.46

Finding the Fourth Proportional to 3,450.70, 5,172.96 and 2,870.46

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Solution

The fourth proportional to 3,450.70, 5,172.96 and 2,870.46 is: 4,303.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.70 : 5,172.96 = 2,870.46 : x
  2. Step 2: Convert to fraction form
    3,450.70/5,172.96 = 2,870.46/x
  3. Step 3: Cross multiply
    3,450.70x = 5,172.96 × 2,870.46
  4. Step 4: Simplify right side
    3,450.70x = 14,848,774.76
  5. Step 5: Solve for x
    x = 14,848,774.76/3,450.70
  6. Step 6: Final answer
    x = 4,303.12

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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.