Home / 1,460.20-2,190.30-1,133.80

Finding the Fourth Proportional to 1,460.20, 2,190.30 and 1,133.80

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Solution

The fourth proportional to 1,460.20, 2,190.30 and 1,133.80 is: 1,700.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460.20 : 2,190.30 = 1,133.80 : x
  2. Step 2: Convert to fraction form
    1,460.20/2,190.30 = 1,133.80/x
  3. Step 3: Cross multiply
    1,460.20x = 2,190.30 × 1,133.80
  4. Step 4: Simplify right side
    1,460.20x = 2,483,362.14
  5. Step 5: Solve for x
    x = 2,483,362.14/1,460.20
  6. Step 6: Final answer
    x = 1,700.70

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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.