Home / 3,515.74-5,273.56-1,435.30

Finding the Fourth Proportional to 3,515.74, 5,273.56 and 1,435.30

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Solution

The fourth proportional to 3,515.74, 5,273.56 and 1,435.30 is: 2,152.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.74 : 5,273.56 = 1,435.30 : x
  2. Step 2: Convert to fraction form
    3,515.74/5,273.56 = 1,435.30/x
  3. Step 3: Cross multiply
    3,515.74x = 5,273.56 × 1,435.30
  4. Step 4: Simplify right side
    3,515.74x = 7,569,140.67
  5. Step 5: Solve for x
    x = 7,569,140.67/3,515.74
  6. Step 6: Final answer
    x = 2,152.93

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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.