Home / 2,698.12-4,045.02-1,054.36

Finding the Fourth Proportional to 2,698.12, 4,045.02 and 1,054.36

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Solution

The fourth proportional to 2,698.12, 4,045.02 and 1,054.36 is: 1,580.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.12 : 4,045.02 = 1,054.36 : x
  2. Step 2: Convert to fraction form
    2,698.12/4,045.02 = 1,054.36/x
  3. Step 3: Cross multiply
    2,698.12x = 4,045.02 × 1,054.36
  4. Step 4: Simplify right side
    2,698.12x = 4,264,907.29
  5. Step 5: Solve for x
    x = 4,264,907.29/2,698.12
  6. Step 6: Final answer
    x = 1,580.70

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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.