Home / 2,670.63-3,685.46-1,491.67

Finding the Fourth Proportional to 2,670.63, 3,685.46 and 1,491.67

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Solution

The fourth proportional to 2,670.63, 3,685.46 and 1,491.67 is: 2,058.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.63 : 3,685.46 = 1,491.67 : x
  2. Step 2: Convert to fraction form
    2,670.63/3,685.46 = 1,491.67/x
  3. Step 3: Cross multiply
    2,670.63x = 3,685.46 × 1,491.67
  4. Step 4: Simplify right side
    2,670.63x = 5,497,490.12
  5. Step 5: Solve for x
    x = 5,497,490.12/2,670.63
  6. Step 6: Final answer
    x = 2,058.50

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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.