Home / 2,790.83-3,852.15-2,235.17

Finding the Fourth Proportional to 2,790.83, 3,852.15 and 2,235.17

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Solution

The fourth proportional to 2,790.83, 3,852.15 and 2,235.17 is: 3,085.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.83 : 3,852.15 = 2,235.17 : x
  2. Step 2: Convert to fraction form
    2,790.83/3,852.15 = 2,235.17/x
  3. Step 3: Cross multiply
    2,790.83x = 3,852.15 × 2,235.17
  4. Step 4: Simplify right side
    2,790.83x = 8,610,210.12
  5. Step 5: Solve for x
    x = 8,610,210.12/2,790.83
  6. Step 6: Final answer
    x = 3,085.18

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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.