Home / 1,571.56-2,162.34-1,533.16

Finding the Fourth Proportional to 1,571.56, 2,162.34 and 1,533.16

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Solution

The fourth proportional to 1,571.56, 2,162.34 and 1,533.16 is: 2,109.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571.56 : 2,162.34 = 1,533.16 : x
  2. Step 2: Convert to fraction form
    1,571.56/2,162.34 = 1,533.16/x
  3. Step 3: Cross multiply
    1,571.56x = 2,162.34 × 1,533.16
  4. Step 4: Simplify right side
    1,571.56x = 3,315,213.19
  5. Step 5: Solve for x
    x = 3,315,213.19/1,571.56
  6. Step 6: Final answer
    x = 2,109.50

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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.