Home / 2,692.02-4,036.47-1,230.39

Finding the Fourth Proportional to 2,692.02, 4,036.47 and 1,230.39

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Solution

The fourth proportional to 2,692.02, 4,036.47 and 1,230.39 is: 1,844.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.02 : 4,036.47 = 1,230.39 : x
  2. Step 2: Convert to fraction form
    2,692.02/4,036.47 = 1,230.39/x
  3. Step 3: Cross multiply
    2,692.02x = 4,036.47 × 1,230.39
  4. Step 4: Simplify right side
    2,692.02x = 4,966,432.32
  5. Step 5: Solve for x
    x = 4,966,432.32/2,692.02
  6. Step 6: Final answer
    x = 1,844.87

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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.