Home / 2,272.81-3,136.32-1,526.65

Finding the Fourth Proportional to 2,272.81, 3,136.32 and 1,526.65

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Solution

The fourth proportional to 2,272.81, 3,136.32 and 1,526.65 is: 2,106.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.81 : 3,136.32 = 1,526.65 : x
  2. Step 2: Convert to fraction form
    2,272.81/3,136.32 = 1,526.65/x
  3. Step 3: Cross multiply
    2,272.81x = 3,136.32 × 1,526.65
  4. Step 4: Simplify right side
    2,272.81x = 4,788,055.09
  5. Step 5: Solve for x
    x = 4,788,055.09/2,272.81
  6. Step 6: Final answer
    x = 2,106.67

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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.