Home / 1,852.00-2,775.61-1,386.12

Finding the Fourth Proportional to 1,852.00, 2,775.61 and 1,386.12

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Solution

The fourth proportional to 1,852.00, 2,775.61 and 1,386.12 is: 2,077.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852.00 : 2,775.61 = 1,386.12 : x
  2. Step 2: Convert to fraction form
    1,852.00/2,775.61 = 1,386.12/x
  3. Step 3: Cross multiply
    1,852.00x = 2,775.61 × 1,386.12
  4. Step 4: Simplify right side
    1,852.00x = 3,847,340.67
  5. Step 5: Solve for x
    x = 3,847,340.67/1,852.00
  6. Step 6: Final answer
    x = 2,077.40

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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.