Home / 3,475.19-5,212.95-1,010.21

Finding the Fourth Proportional to 3,475.19, 5,212.95 and 1,010.21

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Solution

The fourth proportional to 3,475.19, 5,212.95 and 1,010.21 is: 1,515.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,475.19 : 5,212.95 = 1,010.21 : x
  2. Step 2: Convert to fraction form
    3,475.19/5,212.95 = 1,010.21/x
  3. Step 3: Cross multiply
    3,475.19x = 5,212.95 × 1,010.21
  4. Step 4: Simplify right side
    3,475.19x = 5,266,148.15
  5. Step 5: Solve for x
    x = 5,266,148.15/3,475.19
  6. Step 6: Final answer
    x = 1,515.36

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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.