Home / 1,937.22-2,903.39-1,390.47

Finding the Fourth Proportional to 1,937.22, 2,903.39 and 1,390.47

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Solution

The fourth proportional to 1,937.22, 2,903.39 and 1,390.47 is: 2,083.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.22 : 2,903.39 = 1,390.47 : x
  2. Step 2: Convert to fraction form
    1,937.22/2,903.39 = 1,390.47/x
  3. Step 3: Cross multiply
    1,937.22x = 2,903.39 × 1,390.47
  4. Step 4: Simplify right side
    1,937.22x = 4,037,071.89
  5. Step 5: Solve for x
    x = 4,037,071.89/1,937.22
  6. Step 6: Final answer
    x = 2,083.96

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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.