Home / 2,461.64-3,396.81-1,384.74

Finding the Fourth Proportional to 2,461.64, 3,396.81 and 1,384.74

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Solution

The fourth proportional to 2,461.64, 3,396.81 and 1,384.74 is: 1,910.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,461.64 : 3,396.81 = 1,384.74 : x
  2. Step 2: Convert to fraction form
    2,461.64/3,396.81 = 1,384.74/x
  3. Step 3: Cross multiply
    2,461.64x = 3,396.81 × 1,384.74
  4. Step 4: Simplify right side
    2,461.64x = 4,703,698.68
  5. Step 5: Solve for x
    x = 4,703,698.68/2,461.64
  6. Step 6: Final answer
    x = 1,910.80

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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.