Home / 2,670.54-3,685.60-1,491.68

Finding the Fourth Proportional to 2,670.54, 3,685.60 and 1,491.68

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Solution

The fourth proportional to 2,670.54, 3,685.60 and 1,491.68 is: 2,058.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.54 : 3,685.60 = 1,491.68 : x
  2. Step 2: Convert to fraction form
    2,670.54/3,685.60 = 1,491.68/x
  3. Step 3: Cross multiply
    2,670.54x = 3,685.60 × 1,491.68
  4. Step 4: Simplify right side
    2,670.54x = 5,497,746.89
  5. Step 5: Solve for x
    x = 5,497,746.89/2,670.54
  6. Step 6: Final answer
    x = 2,058.67

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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.