Home / 2,457.46-3,390.98-1,395.33

Finding the Fourth Proportional to 2,457.46, 3,390.98 and 1,395.33

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Solution

The fourth proportional to 2,457.46, 3,390.98 and 1,395.33 is: 1,925.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.46 : 3,390.98 = 1,395.33 : x
  2. Step 2: Convert to fraction form
    2,457.46/3,390.98 = 1,395.33/x
  3. Step 3: Cross multiply
    2,457.46x = 3,390.98 × 1,395.33
  4. Step 4: Simplify right side
    2,457.46x = 4,731,524.28
  5. Step 5: Solve for x
    x = 4,731,524.28/2,457.46
  6. Step 6: Final answer
    x = 1,925.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.