Home / 1,778.85-2,455.08-1,033.05

Finding the Fourth Proportional to 1,778.85, 2,455.08 and 1,033.05

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Solution

The fourth proportional to 1,778.85, 2,455.08 and 1,033.05 is: 1,425.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778.85 : 2,455.08 = 1,033.05 : x
  2. Step 2: Convert to fraction form
    1,778.85/2,455.08 = 1,033.05/x
  3. Step 3: Cross multiply
    1,778.85x = 2,455.08 × 1,033.05
  4. Step 4: Simplify right side
    1,778.85x = 2,536,220.39
  5. Step 5: Solve for x
    x = 2,536,220.39/1,778.85
  6. Step 6: Final answer
    x = 1,425.76

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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.