Home / 2,926.00-4,389.20-977.95

Finding the Fourth Proportional to 2,926.00, 4,389.20 and 977.95

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Solution

The fourth proportional to 2,926.00, 4,389.20 and 977.95 is: 1,466.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.00 : 4,389.20 = 977.95 : x
  2. Step 2: Convert to fraction form
    2,926.00/4,389.20 = 977.95/x
  3. Step 3: Cross multiply
    2,926.00x = 4,389.20 × 977.95
  4. Step 4: Simplify right side
    2,926.00x = 4,292,391.30
  5. Step 5: Solve for x
    x = 4,292,391.30/2,926.00
  6. Step 6: Final answer
    x = 1,466.99

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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.