Home / 3,535.95-5,303.60-1,780.26

Finding the Fourth Proportional to 3,535.95, 5,303.60 and 1,780.26

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Solution

The fourth proportional to 3,535.95, 5,303.60 and 1,780.26 is: 2,670.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,535.95 : 5,303.60 = 1,780.26 : x
  2. Step 2: Convert to fraction form
    3,535.95/5,303.60 = 1,780.26/x
  3. Step 3: Cross multiply
    3,535.95x = 5,303.60 × 1,780.26
  4. Step 4: Simplify right side
    3,535.95x = 9,441,778.03
  5. Step 5: Solve for x
    x = 9,441,778.03/3,535.95
  6. Step 6: Final answer
    x = 2,670.22

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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.