Home / 2,457.04-3,390.68-1,353.04

Finding the Fourth Proportional to 2,457.04, 3,390.68 and 1,353.04

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Solution

The fourth proportional to 2,457.04, 3,390.68 and 1,353.04 is: 1,867.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.04 : 3,390.68 = 1,353.04 : x
  2. Step 2: Convert to fraction form
    2,457.04/3,390.68 = 1,353.04/x
  3. Step 3: Cross multiply
    2,457.04x = 3,390.68 × 1,353.04
  4. Step 4: Simplify right side
    2,457.04x = 4,587,725.67
  5. Step 5: Solve for x
    x = 4,587,725.67/2,457.04
  6. Step 6: Final answer
    x = 1,867.18

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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.