Home / 2,289.50-3,434.26-558.12

Finding the Fourth Proportional to 2,289.50, 3,434.26 and 558.12

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Solution

The fourth proportional to 2,289.50, 3,434.26 and 558.12 is: 837.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.50 : 3,434.26 = 558.12 : x
  2. Step 2: Convert to fraction form
    2,289.50/3,434.26 = 558.12/x
  3. Step 3: Cross multiply
    2,289.50x = 3,434.26 × 558.12
  4. Step 4: Simplify right side
    2,289.50x = 1,916,729.19
  5. Step 5: Solve for x
    x = 1,916,729.19/2,289.50
  6. Step 6: Final answer
    x = 837.18

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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.