Home / 1,865.05-2,797.57-1,001.05

Finding the Fourth Proportional to 1,865.05, 2,797.57 and 1,001.05

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Solution

The fourth proportional to 1,865.05, 2,797.57 and 1,001.05 is: 1,501.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865.05 : 2,797.57 = 1,001.05 : x
  2. Step 2: Convert to fraction form
    1,865.05/2,797.57 = 1,001.05/x
  3. Step 3: Cross multiply
    1,865.05x = 2,797.57 × 1,001.05
  4. Step 4: Simplify right side
    1,865.05x = 2,800,507.45
  5. Step 5: Solve for x
    x = 2,800,507.45/1,865.05
  6. Step 6: Final answer
    x = 1,501.57

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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.