Home / 1,125.23-1,695.35-1,036.67

Finding the Fourth Proportional to 1,125.23, 1,695.35 and 1,036.67

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Solution

The fourth proportional to 1,125.23, 1,695.35 and 1,036.67 is: 1,561.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125.23 : 1,695.35 = 1,036.67 : x
  2. Step 2: Convert to fraction form
    1,125.23/1,695.35 = 1,036.67/x
  3. Step 3: Cross multiply
    1,125.23x = 1,695.35 × 1,036.67
  4. Step 4: Simplify right side
    1,125.23x = 1,757,512.60
  5. Step 5: Solve for x
    x = 1,757,512.60/1,125.23
  6. Step 6: Final answer
    x = 1,561.92

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.