Home / 1,460.68-2,188.86-1,153.28

Finding the Fourth Proportional to 1,460.68, 2,188.86 and 1,153.28

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Solution

The fourth proportional to 1,460.68, 2,188.86 and 1,153.28 is: 1,728.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460.68 : 2,188.86 = 1,153.28 : x
  2. Step 2: Convert to fraction form
    1,460.68/2,188.86 = 1,153.28/x
  3. Step 3: Cross multiply
    1,460.68x = 2,188.86 × 1,153.28
  4. Step 4: Simplify right side
    1,460.68x = 2,524,368.46
  5. Step 5: Solve for x
    x = 2,524,368.46/1,460.68
  6. Step 6: Final answer
    x = 1,728.21

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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.