Home / 1,865.03-2,572.76-1,202.24

Finding the Fourth Proportional to 1,865.03, 2,572.76 and 1,202.24

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Solution

The fourth proportional to 1,865.03, 2,572.76 and 1,202.24 is: 1,658.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865.03 : 2,572.76 = 1,202.24 : x
  2. Step 2: Convert to fraction form
    1,865.03/2,572.76 = 1,202.24/x
  3. Step 3: Cross multiply
    1,865.03x = 2,572.76 × 1,202.24
  4. Step 4: Simplify right side
    1,865.03x = 3,093,084.42
  5. Step 5: Solve for x
    x = 3,093,084.42/1,865.03
  6. Step 6: Final answer
    x = 1,658.47

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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.