Home / 3,852.48-5,315.04-2,457.60

Finding the Fourth Proportional to 3,852.48, 5,315.04 and 2,457.60

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Solution

The fourth proportional to 3,852.48, 5,315.04 and 2,457.60 is: 3,390.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852.48 : 5,315.04 = 2,457.60 : x
  2. Step 2: Convert to fraction form
    3,852.48/5,315.04 = 2,457.60/x
  3. Step 3: Cross multiply
    3,852.48x = 5,315.04 × 2,457.60
  4. Step 4: Simplify right side
    3,852.48x = 13,062,242.30
  5. Step 5: Solve for x
    x = 13,062,242.30/3,852.48
  6. Step 6: Final answer
    x = 3,390.61

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1.5x scale

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.