Home / 1,460.30-2,188.76-730.40

Finding the Fourth Proportional to 1,460.30, 2,188.76 and 730.40

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Solution

The fourth proportional to 1,460.30, 2,188.76 and 730.40 is: 1,094.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460.30 : 2,188.76 = 730.40 : x
  2. Step 2: Convert to fraction form
    1,460.30/2,188.76 = 730.40/x
  3. Step 3: Cross multiply
    1,460.30x = 2,188.76 × 730.40
  4. Step 4: Simplify right side
    1,460.30x = 1,598,670.30
  5. Step 5: Solve for x
    x = 1,598,670.30/1,460.30
  6. Step 6: Final answer
    x = 1,094.75

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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.