Home / 1,695.02-2,339.43-1,230.62

Finding the Fourth Proportional to 1,695.02, 2,339.43 and 1,230.62

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Solution

The fourth proportional to 1,695.02, 2,339.43 and 1,230.62 is: 1,698.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695.02 : 2,339.43 = 1,230.62 : x
  2. Step 2: Convert to fraction form
    1,695.02/2,339.43 = 1,230.62/x
  3. Step 3: Cross multiply
    1,695.02x = 2,339.43 × 1,230.62
  4. Step 4: Simplify right side
    1,695.02x = 2,878,949.35
  5. Step 5: Solve for x
    x = 2,878,949.35/1,695.02
  6. Step 6: Final answer
    x = 1,698.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.