Home / 1,775.35-2,451.90-1,351.18

Finding the Fourth Proportional to 1,775.35, 2,451.90 and 1,351.18

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Solution

The fourth proportional to 1,775.35, 2,451.90 and 1,351.18 is: 1,866.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775.35 : 2,451.90 = 1,351.18 : x
  2. Step 2: Convert to fraction form
    1,775.35/2,451.90 = 1,351.18/x
  3. Step 3: Cross multiply
    1,775.35x = 2,451.90 × 1,351.18
  4. Step 4: Simplify right side
    1,775.35x = 3,312,958.24
  5. Step 5: Solve for x
    x = 3,312,958.24/1,775.35
  6. Step 6: Final answer
    x = 1,866.09

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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.