Home / 2,319.94-3,478.83-1,346.32

Finding the Fourth Proportional to 2,319.94, 3,478.83 and 1,346.32

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Solution

The fourth proportional to 2,319.94, 3,478.83 and 1,346.32 is: 2,018.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.94 : 3,478.83 = 1,346.32 : x
  2. Step 2: Convert to fraction form
    2,319.94/3,478.83 = 1,346.32/x
  3. Step 3: Cross multiply
    2,319.94x = 3,478.83 × 1,346.32
  4. Step 4: Simplify right side
    2,319.94x = 4,683,618.41
  5. Step 5: Solve for x
    x = 4,683,618.41/2,319.94
  6. Step 6: Final answer
    x = 2,018.85

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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.