Home / 2,376.05-3,558.29-1,643.40

Finding the Fourth Proportional to 2,376.05, 3,558.29 and 1,643.40

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Solution

The fourth proportional to 2,376.05, 3,558.29 and 1,643.40 is: 2,461.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.05 : 3,558.29 = 1,643.40 : x
  2. Step 2: Convert to fraction form
    2,376.05/3,558.29 = 1,643.40/x
  3. Step 3: Cross multiply
    2,376.05x = 3,558.29 × 1,643.40
  4. Step 4: Simplify right side
    2,376.05x = 5,847,685.57
  5. Step 5: Solve for x
    x = 5,847,685.57/2,376.05
  6. Step 6: Final answer
    x = 2,461.10

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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.