Home / 2,717.55-4,071.60-2,136.30

Finding the Fourth Proportional to 2,717.55, 4,071.60 and 2,136.30

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Solution

The fourth proportional to 2,717.55, 4,071.60 and 2,136.30 is: 3,200.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.55 : 4,071.60 = 2,136.30 : x
  2. Step 2: Convert to fraction form
    2,717.55/4,071.60 = 2,136.30/x
  3. Step 3: Cross multiply
    2,717.55x = 4,071.60 × 2,136.30
  4. Step 4: Simplify right side
    2,717.55x = 8,698,159.08
  5. Step 5: Solve for x
    x = 8,698,159.08/2,717.55
  6. Step 6: Final answer
    x = 3,200.74

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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.