Home / 1,484.51-2,057.99-1,405.50

Finding the Fourth Proportional to 1,484.51, 2,057.99 and 1,405.50

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Solution

The fourth proportional to 1,484.51, 2,057.99 and 1,405.50 is: 1,948.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.51 : 2,057.99 = 1,405.50 : x
  2. Step 2: Convert to fraction form
    1,484.51/2,057.99 = 1,405.50/x
  3. Step 3: Cross multiply
    1,484.51x = 2,057.99 × 1,405.50
  4. Step 4: Simplify right side
    1,484.51x = 2,892,497.92
  5. Step 5: Solve for x
    x = 2,892,497.92/1,484.51
  6. Step 6: Final answer
    x = 1,948.46

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.