Home / 1,837.81-2,756.63-451.07

Finding the Fourth Proportional to 1,837.81, 2,756.63 and 451.07

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Solution

The fourth proportional to 1,837.81, 2,756.63 and 451.07 is: 676.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.81 : 2,756.63 = 451.07 : x
  2. Step 2: Convert to fraction form
    1,837.81/2,756.63 = 451.07/x
  3. Step 3: Cross multiply
    1,837.81x = 2,756.63 × 451.07
  4. Step 4: Simplify right side
    1,837.81x = 1,243,430.78
  5. Step 5: Solve for x
    x = 1,243,430.78/1,837.81
  6. Step 6: Final answer
    x = 676.58

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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.