Home / 1,459.12-2,184.36-880.24

Finding the Fourth Proportional to 1,459.12, 2,184.36 and 880.24

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Solution

The fourth proportional to 1,459.12, 2,184.36 and 880.24 is: 1,317.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459.12 : 2,184.36 = 880.24 : x
  2. Step 2: Convert to fraction form
    1,459.12/2,184.36 = 880.24/x
  3. Step 3: Cross multiply
    1,459.12x = 2,184.36 × 880.24
  4. Step 4: Simplify right side
    1,459.12x = 1,922,761.05
  5. Step 5: Solve for x
    x = 1,922,761.05/1,459.12
  6. Step 6: Final answer
    x = 1,317.75

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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.