Home / 1,790.10-2,692.35-1,602.90

Finding the Fourth Proportional to 1,790.10, 2,692.35 and 1,602.90

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Solution

The fourth proportional to 1,790.10, 2,692.35 and 1,602.90 is: 2,410.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790.10 : 2,692.35 = 1,602.90 : x
  2. Step 2: Convert to fraction form
    1,790.10/2,692.35 = 1,602.90/x
  3. Step 3: Cross multiply
    1,790.10x = 2,692.35 × 1,602.90
  4. Step 4: Simplify right side
    1,790.10x = 4,315,567.82
  5. Step 5: Solve for x
    x = 4,315,567.82/1,790.10
  6. Step 6: Final answer
    x = 2,410.80

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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.