Home / 1,558.20-2,338.20-584.40

Finding the Fourth Proportional to 1,558.20, 2,338.20 and 584.40

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Solution

The fourth proportional to 1,558.20, 2,338.20 and 584.40 is: 876.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558.20 : 2,338.20 = 584.40 : x
  2. Step 2: Convert to fraction form
    1,558.20/2,338.20 = 584.40/x
  3. Step 3: Cross multiply
    1,558.20x = 2,338.20 × 584.40
  4. Step 4: Simplify right side
    1,558.20x = 1,366,444.08
  5. Step 5: Solve for x
    x = 1,366,444.08/1,558.20
  6. Step 6: Final answer
    x = 876.94

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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.