Home / 2,931.17-4,394.30-1,370.39

Finding the Fourth Proportional to 2,931.17, 4,394.30 and 1,370.39

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Solution

The fourth proportional to 2,931.17, 4,394.30 and 1,370.39 is: 2,054.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.17 : 4,394.30 = 1,370.39 : x
  2. Step 2: Convert to fraction form
    2,931.17/4,394.30 = 1,370.39/x
  3. Step 3: Cross multiply
    2,931.17x = 4,394.30 × 1,370.39
  4. Step 4: Simplify right side
    2,931.17x = 6,021,875.95
  5. Step 5: Solve for x
    x = 6,021,875.95/2,931.17
  6. Step 6: Final answer
    x = 2,054.43

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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.