Home / 2,457.64-3,396.18-1,937.80

Finding the Fourth Proportional to 2,457.64, 3,396.18 and 1,937.80

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Solution

The fourth proportional to 2,457.64, 3,396.18 and 1,937.80 is: 2,677.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.64 : 3,396.18 = 1,937.80 : x
  2. Step 2: Convert to fraction form
    2,457.64/3,396.18 = 1,937.80/x
  3. Step 3: Cross multiply
    2,457.64x = 3,396.18 × 1,937.80
  4. Step 4: Simplify right side
    2,457.64x = 6,581,117.60
  5. Step 5: Solve for x
    x = 6,581,117.60/2,457.64
  6. Step 6: Final answer
    x = 2,677.82

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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.