Home / 2,698.88-4,047.10-1,055.39

Finding the Fourth Proportional to 2,698.88, 4,047.10 and 1,055.39

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Solution

The fourth proportional to 2,698.88, 4,047.10 and 1,055.39 is: 1,582.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.88 : 4,047.10 = 1,055.39 : x
  2. Step 2: Convert to fraction form
    2,698.88/4,047.10 = 1,055.39/x
  3. Step 3: Cross multiply
    2,698.88x = 4,047.10 × 1,055.39
  4. Step 4: Simplify right side
    2,698.88x = 4,271,246.00
  5. Step 5: Solve for x
    x = 4,271,246.00/2,698.88
  6. Step 6: Final answer
    x = 1,582.60

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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.