Home / 2,026.98-2,795.58-1,555.56

Finding the Fourth Proportional to 2,026.98, 2,795.58 and 1,555.56

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Solution

The fourth proportional to 2,026.98, 2,795.58 and 1,555.56 is: 2,145.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,026.98 : 2,795.58 = 1,555.56 : x
  2. Step 2: Convert to fraction form
    2,026.98/2,795.58 = 1,555.56/x
  3. Step 3: Cross multiply
    2,026.98x = 2,795.58 × 1,555.56
  4. Step 4: Simplify right side
    2,026.98x = 4,348,692.42
  5. Step 5: Solve for x
    x = 4,348,692.42/2,026.98
  6. Step 6: Final answer
    x = 2,145.40

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1.5x scale

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.