Home / 2,926.85-4,038.65-1,667.66

Finding the Fourth Proportional to 2,926.85, 4,038.65 and 1,667.66

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Solution

The fourth proportional to 2,926.85, 4,038.65 and 1,667.66 is: 2,301.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.85 : 4,038.65 = 1,667.66 : x
  2. Step 2: Convert to fraction form
    2,926.85/4,038.65 = 1,667.66/x
  3. Step 3: Cross multiply
    2,926.85x = 4,038.65 × 1,667.66
  4. Step 4: Simplify right side
    2,926.85x = 6,735,095.06
  5. Step 5: Solve for x
    x = 6,735,095.06/2,926.85
  6. Step 6: Final answer
    x = 2,301.14

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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.