Home / 2,376.80-3,558.72-1,220.24

Finding the Fourth Proportional to 2,376.80, 3,558.72 and 1,220.24

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Solution

The fourth proportional to 2,376.80, 3,558.72 and 1,220.24 is: 1,827.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.80 : 3,558.72 = 1,220.24 : x
  2. Step 2: Convert to fraction form
    2,376.80/3,558.72 = 1,220.24/x
  3. Step 3: Cross multiply
    2,376.80x = 3,558.72 × 1,220.24
  4. Step 4: Simplify right side
    2,376.80x = 4,342,492.49
  5. Step 5: Solve for x
    x = 4,342,492.49/2,376.80
  6. Step 6: Final answer
    x = 1,827.03

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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.