Home / 1,439.32-2,158.27-606.23

Finding the Fourth Proportional to 1,439.32, 2,158.27 and 606.23

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Solution

The fourth proportional to 1,439.32, 2,158.27 and 606.23 is: 909.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439.32 : 2,158.27 = 606.23 : x
  2. Step 2: Convert to fraction form
    1,439.32/2,158.27 = 606.23/x
  3. Step 3: Cross multiply
    1,439.32x = 2,158.27 × 606.23
  4. Step 4: Simplify right side
    1,439.32x = 1,308,408.02
  5. Step 5: Solve for x
    x = 1,308,408.02/1,439.32
  6. Step 6: Final answer
    x = 909.05

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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.