Home / 2,913.08-4,019.98-1,671

Finding the Fourth Proportional to 2,913.08, 4,019.98 and 1,671

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Solution

The fourth proportional to 2,913.08, 4,019.98 and 1,671 is: 2,305.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.08 : 4,019.98 = 1,671 : x
  2. Step 2: Convert to fraction form
    2,913.08/4,019.98 = 1,671/x
  3. Step 3: Cross multiply
    2,913.08x = 4,019.98 × 1,671
  4. Step 4: Simplify right side
    2,913.08x = 6,717,386.58
  5. Step 5: Solve for x
    x = 6,717,386.58/2,913.08
  6. Step 6: Final answer
    x = 2,305.94

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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.