Home / 1,529.58-2,110.56-866.34

Finding the Fourth Proportional to 1,529.58, 2,110.56 and 866.34

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Solution

The fourth proportional to 1,529.58, 2,110.56 and 866.34 is: 1,195.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.58 : 2,110.56 = 866.34 : x
  2. Step 2: Convert to fraction form
    1,529.58/2,110.56 = 866.34/x
  3. Step 3: Cross multiply
    1,529.58x = 2,110.56 × 866.34
  4. Step 4: Simplify right side
    1,529.58x = 1,828,462.55
  5. Step 5: Solve for x
    x = 1,828,462.55/1,529.58
  6. Step 6: Final answer
    x = 1,195.40

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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.