Home / 2,670.48-3,685.38-1,491.51

Finding the Fourth Proportional to 2,670.48, 3,685.38 and 1,491.51

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Solution

The fourth proportional to 2,670.48, 3,685.38 and 1,491.51 is: 2,058.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.48 : 3,685.38 = 1,491.51 : x
  2. Step 2: Convert to fraction form
    2,670.48/3,685.38 = 1,491.51/x
  3. Step 3: Cross multiply
    2,670.48x = 3,685.38 × 1,491.51
  4. Step 4: Simplify right side
    2,670.48x = 5,496,781.12
  5. Step 5: Solve for x
    x = 5,496,781.12/2,670.48
  6. Step 6: Final answer
    x = 2,058.35

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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.