Home / 3,457.44-5,186.70-1,265.65

Finding the Fourth Proportional to 3,457.44, 5,186.70 and 1,265.65

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Solution

The fourth proportional to 3,457.44, 5,186.70 and 1,265.65 is: 1,898.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.44 : 5,186.70 = 1,265.65 : x
  2. Step 2: Convert to fraction form
    3,457.44/5,186.70 = 1,265.65/x
  3. Step 3: Cross multiply
    3,457.44x = 5,186.70 × 1,265.65
  4. Step 4: Simplify right side
    3,457.44x = 6,564,533.89
  5. Step 5: Solve for x
    x = 6,564,533.89/3,457.44
  6. Step 6: Final answer
    x = 1,898.67

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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.