Home / 1,767.18-2,441.84-1,271.46

Finding the Fourth Proportional to 1,767.18, 2,441.84 and 1,271.46

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Solution

The fourth proportional to 1,767.18, 2,441.84 and 1,271.46 is: 1,756.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.18 : 2,441.84 = 1,271.46 : x
  2. Step 2: Convert to fraction form
    1,767.18/2,441.84 = 1,271.46/x
  3. Step 3: Cross multiply
    1,767.18x = 2,441.84 × 1,271.46
  4. Step 4: Simplify right side
    1,767.18x = 3,104,701.89
  5. Step 5: Solve for x
    x = 3,104,701.89/1,767.18
  6. Step 6: Final answer
    x = 1,756.87

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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.