Home / 2,104.02-2,903.61-1,207.84

Finding the Fourth Proportional to 2,104.02, 2,903.61 and 1,207.84

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Solution

The fourth proportional to 2,104.02, 2,903.61 and 1,207.84 is: 1,666.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104.02 : 2,903.61 = 1,207.84 : x
  2. Step 2: Convert to fraction form
    2,104.02/2,903.61 = 1,207.84/x
  3. Step 3: Cross multiply
    2,104.02x = 2,903.61 × 1,207.84
  4. Step 4: Simplify right side
    2,104.02x = 3,507,075.75
  5. Step 5: Solve for x
    x = 3,507,075.75/2,104.02
  6. Step 6: Final answer
    x = 1,666.85

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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.