Home / 2,038.74-3,055.80-1,405.96

Finding the Fourth Proportional to 2,038.74, 3,055.80 and 1,405.96

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Solution

The fourth proportional to 2,038.74, 3,055.80 and 1,405.96 is: 2,107.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.74 : 3,055.80 = 1,405.96 : x
  2. Step 2: Convert to fraction form
    2,038.74/3,055.80 = 1,405.96/x
  3. Step 3: Cross multiply
    2,038.74x = 3,055.80 × 1,405.96
  4. Step 4: Simplify right side
    2,038.74x = 4,296,332.57
  5. Step 5: Solve for x
    x = 4,296,332.57/2,038.74
  6. Step 6: Final answer
    x = 2,107.35

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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.