Home / 1,408.04-2,112.68-586.50

Finding the Fourth Proportional to 1,408.04, 2,112.68 and 586.50

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Solution

The fourth proportional to 1,408.04, 2,112.68 and 586.50 is: 880.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408.04 : 2,112.68 = 586.50 : x
  2. Step 2: Convert to fraction form
    1,408.04/2,112.68 = 586.50/x
  3. Step 3: Cross multiply
    1,408.04x = 2,112.68 × 586.50
  4. Step 4: Simplify right side
    1,408.04x = 1,239,086.82
  5. Step 5: Solve for x
    x = 1,239,086.82/1,408.04
  6. Step 6: Final answer
    x = 880.01

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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.