Home / 1,474.28-2,211.75-434.27

Finding the Fourth Proportional to 1,474.28, 2,211.75 and 434.27

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Solution

The fourth proportional to 1,474.28, 2,211.75 and 434.27 is: 651.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.28 : 2,211.75 = 434.27 : x
  2. Step 2: Convert to fraction form
    1,474.28/2,211.75 = 434.27/x
  3. Step 3: Cross multiply
    1,474.28x = 2,211.75 × 434.27
  4. Step 4: Simplify right side
    1,474.28x = 960,496.67
  5. Step 5: Solve for x
    x = 960,496.67/1,474.28
  6. Step 6: Final answer
    x = 651.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.