Home / 3,362.21-4,639.78-1,870.07

Finding the Fourth Proportional to 3,362.21, 4,639.78 and 1,870.07

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Solution

The fourth proportional to 3,362.21, 4,639.78 and 1,870.07 is: 2,580.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362.21 : 4,639.78 = 1,870.07 : x
  2. Step 2: Convert to fraction form
    3,362.21/4,639.78 = 1,870.07/x
  3. Step 3: Cross multiply
    3,362.21x = 4,639.78 × 1,870.07
  4. Step 4: Simplify right side
    3,362.21x = 8,676,738.20
  5. Step 5: Solve for x
    x = 8,676,738.20/3,362.21
  6. Step 6: Final answer
    x = 2,580.67

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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.