Home / 1,529.24-2,110.44-900.26

Finding the Fourth Proportional to 1,529.24, 2,110.44 and 900.26

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Solution

The fourth proportional to 1,529.24, 2,110.44 and 900.26 is: 1,242.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.24 : 2,110.44 = 900.26 : x
  2. Step 2: Convert to fraction form
    1,529.24/2,110.44 = 900.26/x
  3. Step 3: Cross multiply
    1,529.24x = 2,110.44 × 900.26
  4. Step 4: Simplify right side
    1,529.24x = 1,899,944.71
  5. Step 5: Solve for x
    x = 1,899,944.71/1,529.24
  6. Step 6: Final answer
    x = 1,242.41

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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.