Home / 1,698.40-2,541.84-1,014.88

Finding the Fourth Proportional to 1,698.40, 2,541.84 and 1,014.88

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Solution

The fourth proportional to 1,698.40, 2,541.84 and 1,014.88 is: 1,518.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698.40 : 2,541.84 = 1,014.88 : x
  2. Step 2: Convert to fraction form
    1,698.40/2,541.84 = 1,014.88/x
  3. Step 3: Cross multiply
    1,698.40x = 2,541.84 × 1,014.88
  4. Step 4: Simplify right side
    1,698.40x = 2,579,662.58
  5. Step 5: Solve for x
    x = 2,579,662.58/1,698.40
  6. Step 6: Final answer
    x = 1,518.88

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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.