Home / 2,692.39-4,036.93-1,047.02

Finding the Fourth Proportional to 2,692.39, 4,036.93 and 1,047.02

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Solution

The fourth proportional to 2,692.39, 4,036.93 and 1,047.02 is: 1,569.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.39 : 4,036.93 = 1,047.02 : x
  2. Step 2: Convert to fraction form
    2,692.39/4,036.93 = 1,047.02/x
  3. Step 3: Cross multiply
    2,692.39x = 4,036.93 × 1,047.02
  4. Step 4: Simplify right side
    2,692.39x = 4,226,723.65
  5. Step 5: Solve for x
    x = 4,226,723.65/2,692.39
  6. Step 6: Final answer
    x = 1,569.88

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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.