Home / 2,690.95-4,036.39-1,897.04

Finding the Fourth Proportional to 2,690.95, 4,036.39 and 1,897.04

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Solution

The fourth proportional to 2,690.95, 4,036.39 and 1,897.04 is: 2,845.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690.95 : 4,036.39 = 1,897.04 : x
  2. Step 2: Convert to fraction form
    2,690.95/4,036.39 = 1,897.04/x
  3. Step 3: Cross multiply
    2,690.95x = 4,036.39 × 1,897.04
  4. Step 4: Simplify right side
    2,690.95x = 7,657,178.45
  5. Step 5: Solve for x
    x = 7,657,178.45/2,690.95
  6. Step 6: Final answer
    x = 2,845.54

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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.