Home / 2,763.16-4,141.08-1,117.76

Finding the Fourth Proportional to 2,763.16, 4,141.08 and 1,117.76

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Solution

The fourth proportional to 2,763.16, 4,141.08 and 1,117.76 is: 1,675.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.16 : 4,141.08 = 1,117.76 : x
  2. Step 2: Convert to fraction form
    2,763.16/4,141.08 = 1,117.76/x
  3. Step 3: Cross multiply
    2,763.16x = 4,141.08 × 1,117.76
  4. Step 4: Simplify right side
    2,763.16x = 4,628,712.88
  5. Step 5: Solve for x
    x = 4,628,712.88/2,763.16
  6. Step 6: Final answer
    x = 1,675.15

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1.5x scale

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.