Home / 2,457.40-3,390.18-1,462.60

Finding the Fourth Proportional to 2,457.40, 3,390.18 and 1,462.60

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Solution

The fourth proportional to 2,457.40, 3,390.18 and 1,462.60 is: 2,017.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.40 : 3,390.18 = 1,462.60 : x
  2. Step 2: Convert to fraction form
    2,457.40/3,390.18 = 1,462.60/x
  3. Step 3: Cross multiply
    2,457.40x = 3,390.18 × 1,462.60
  4. Step 4: Simplify right side
    2,457.40x = 4,958,477.27
  5. Step 5: Solve for x
    x = 4,958,477.27/2,457.40
  6. Step 6: Final answer
    x = 2,017.77

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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.