Home / 1,467.20-2,190.48-1,345.60

Finding the Fourth Proportional to 1,467.20, 2,190.48 and 1,345.60

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Solution

The fourth proportional to 1,467.20, 2,190.48 and 1,345.60 is: 2,008.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467.20 : 2,190.48 = 1,345.60 : x
  2. Step 2: Convert to fraction form
    1,467.20/2,190.48 = 1,345.60/x
  3. Step 3: Cross multiply
    1,467.20x = 2,190.48 × 1,345.60
  4. Step 4: Simplify right side
    1,467.20x = 2,947,509.89
  5. Step 5: Solve for x
    x = 2,947,509.89/1,467.20
  6. Step 6: Final answer
    x = 2,008.94

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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.