Home / 1,295.30-1,930.46-1,293.24

Finding the Fourth Proportional to 1,295.30, 1,930.46 and 1,293.24

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Solution

The fourth proportional to 1,295.30, 1,930.46 and 1,293.24 is: 1,927.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295.30 : 1,930.46 = 1,293.24 : x
  2. Step 2: Convert to fraction form
    1,295.30/1,930.46 = 1,293.24/x
  3. Step 3: Cross multiply
    1,295.30x = 1,930.46 × 1,293.24
  4. Step 4: Simplify right side
    1,295.30x = 2,496,548.86
  5. Step 5: Solve for x
    x = 2,496,548.86/1,295.30
  6. Step 6: Final answer
    x = 1,927.39

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.