Home / 3,648.39-5,472.60-1,457.67

Finding the Fourth Proportional to 3,648.39, 5,472.60 and 1,457.67

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Solution

The fourth proportional to 3,648.39, 5,472.60 and 1,457.67 is: 2,186.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648.39 : 5,472.60 = 1,457.67 : x
  2. Step 2: Convert to fraction form
    3,648.39/5,472.60 = 1,457.67/x
  3. Step 3: Cross multiply
    3,648.39x = 5,472.60 × 1,457.67
  4. Step 4: Simplify right side
    3,648.39x = 7,977,244.84
  5. Step 5: Solve for x
    x = 7,977,244.84/3,648.39
  6. Step 6: Final answer
    x = 2,186.51

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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.