Home / 2,670.58-3,685.53-1,491.63

Finding the Fourth Proportional to 2,670.58, 3,685.53 and 1,491.63

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Solution

The fourth proportional to 2,670.58, 3,685.53 and 1,491.63 is: 2,058.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.58 : 3,685.53 = 1,491.63 : x
  2. Step 2: Convert to fraction form
    2,670.58/3,685.53 = 1,491.63/x
  3. Step 3: Cross multiply
    2,670.58x = 3,685.53 × 1,491.63
  4. Step 4: Simplify right side
    2,670.58x = 5,497,447.11
  5. Step 5: Solve for x
    x = 5,497,447.11/2,670.58
  6. Step 6: Final answer
    x = 2,058.52

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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.