Home / 3,386.51-5,077.38-1,304.77

Finding the Fourth Proportional to 3,386.51, 5,077.38 and 1,304.77

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Solution

The fourth proportional to 3,386.51, 5,077.38 and 1,304.77 is: 1,956.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.51 : 5,077.38 = 1,304.77 : x
  2. Step 2: Convert to fraction form
    3,386.51/5,077.38 = 1,304.77/x
  3. Step 3: Cross multiply
    3,386.51x = 5,077.38 × 1,304.77
  4. Step 4: Simplify right side
    3,386.51x = 6,624,813.10
  5. Step 5: Solve for x
    x = 6,624,813.10/3,386.51
  6. Step 6: Final answer
    x = 1,956.24

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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.