Home / 1,529.36-2,110.34-866.08

Finding the Fourth Proportional to 1,529.36, 2,110.34 and 866.08

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Solution

The fourth proportional to 1,529.36, 2,110.34 and 866.08 is: 1,195.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.36 : 2,110.34 = 866.08 : x
  2. Step 2: Convert to fraction form
    1,529.36/2,110.34 = 866.08/x
  3. Step 3: Cross multiply
    1,529.36x = 2,110.34 × 866.08
  4. Step 4: Simplify right side
    1,529.36x = 1,827,723.27
  5. Step 5: Solve for x
    x = 1,827,723.27/1,529.36
  6. Step 6: Final answer
    x = 1,195.09

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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.