Home / 2,871.09-4,307.85-1,410.26

Finding the Fourth Proportional to 2,871.09, 4,307.85 and 1,410.26

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Solution

The fourth proportional to 2,871.09, 4,307.85 and 1,410.26 is: 2,115.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871.09 : 4,307.85 = 1,410.26 : x
  2. Step 2: Convert to fraction form
    2,871.09/4,307.85 = 1,410.26/x
  3. Step 3: Cross multiply
    2,871.09x = 4,307.85 × 1,410.26
  4. Step 4: Simplify right side
    2,871.09x = 6,075,167.00
  5. Step 5: Solve for x
    x = 6,075,167.00/2,871.09
  6. Step 6: Final answer
    x = 2,115.98

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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.