Home / 2,935.18-4,051.02-1,929.80

Finding the Fourth Proportional to 2,935.18, 4,051.02 and 1,929.80

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Solution

The fourth proportional to 2,935.18, 4,051.02 and 1,929.80 is: 2,663.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,935.18 : 4,051.02 = 1,929.80 : x
  2. Step 2: Convert to fraction form
    2,935.18/4,051.02 = 1,929.80/x
  3. Step 3: Cross multiply
    2,935.18x = 4,051.02 × 1,929.80
  4. Step 4: Simplify right side
    2,935.18x = 7,817,658.40
  5. Step 5: Solve for x
    x = 7,817,658.40/2,935.18
  6. Step 6: Final answer
    x = 2,663.43

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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.