Home / 2,286.90-3,430.30-555.50

Finding the Fourth Proportional to 2,286.90, 3,430.30 and 555.50

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Solution

The fourth proportional to 2,286.90, 3,430.30 and 555.50 is: 833.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286.90 : 3,430.30 = 555.50 : x
  2. Step 2: Convert to fraction form
    2,286.90/3,430.30 = 555.50/x
  3. Step 3: Cross multiply
    2,286.90x = 3,430.30 × 555.50
  4. Step 4: Simplify right side
    2,286.90x = 1,905,531.65
  5. Step 5: Solve for x
    x = 1,905,531.65/2,286.90
  6. Step 6: Final answer
    x = 833.24

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Double scale
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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.