Home / 3,159.36-4,737.24-1,426.32

Finding the Fourth Proportional to 3,159.36, 4,737.24 and 1,426.32

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Solution

The fourth proportional to 3,159.36, 4,737.24 and 1,426.32 is: 2,138.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.36 : 4,737.24 = 1,426.32 : x
  2. Step 2: Convert to fraction form
    3,159.36/4,737.24 = 1,426.32/x
  3. Step 3: Cross multiply
    3,159.36x = 4,737.24 × 1,426.32
  4. Step 4: Simplify right side
    3,159.36x = 6,756,820.16
  5. Step 5: Solve for x
    x = 6,756,820.16/3,159.36
  6. Step 6: Final answer
    x = 2,138.67

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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.