Home / 1,393.02-2,098.26-1,070.64

Finding the Fourth Proportional to 1,393.02, 2,098.26 and 1,070.64

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Solution

The fourth proportional to 1,393.02, 2,098.26 and 1,070.64 is: 1,612.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393.02 : 2,098.26 = 1,070.64 : x
  2. Step 2: Convert to fraction form
    1,393.02/2,098.26 = 1,070.64/x
  3. Step 3: Cross multiply
    1,393.02x = 2,098.26 × 1,070.64
  4. Step 4: Simplify right side
    1,393.02x = 2,246,481.09
  5. Step 5: Solve for x
    x = 2,246,481.09/1,393.02
  6. Step 6: Final answer
    x = 1,612.67

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.