Home / 1,267.81-1,895.47-1,074.98

Finding the Fourth Proportional to 1,267.81, 1,895.47 and 1,074.98

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Solution

The fourth proportional to 1,267.81, 1,895.47 and 1,074.98 is: 1,607.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267.81 : 1,895.47 = 1,074.98 : x
  2. Step 2: Convert to fraction form
    1,267.81/1,895.47 = 1,074.98/x
  3. Step 3: Cross multiply
    1,267.81x = 1,895.47 × 1,074.98
  4. Step 4: Simplify right side
    1,267.81x = 2,037,594.39
  5. Step 5: Solve for x
    x = 2,037,594.39/1,267.81
  6. Step 6: Final answer
    x = 1,607.18

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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.