Home / 3,362.34-4,639.82-1,870.21

Finding the Fourth Proportional to 3,362.34, 4,639.82 and 1,870.21

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Solution

The fourth proportional to 3,362.34, 4,639.82 and 1,870.21 is: 2,580.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362.34 : 4,639.82 = 1,870.21 : x
  2. Step 2: Convert to fraction form
    3,362.34/4,639.82 = 1,870.21/x
  3. Step 3: Cross multiply
    3,362.34x = 4,639.82 × 1,870.21
  4. Step 4: Simplify right side
    3,362.34x = 8,677,408.11
  5. Step 5: Solve for x
    x = 8,677,408.11/3,362.34
  6. Step 6: Final answer
    x = 2,580.76

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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.