Home / 2,636.08-3,637.68-1,457.20

Finding the Fourth Proportional to 2,636.08, 3,637.68 and 1,457.20

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Solution

The fourth proportional to 2,636.08, 3,637.68 and 1,457.20 is: 2,010.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.08 : 3,637.68 = 1,457.20 : x
  2. Step 2: Convert to fraction form
    2,636.08/3,637.68 = 1,457.20/x
  3. Step 3: Cross multiply
    2,636.08x = 3,637.68 × 1,457.20
  4. Step 4: Simplify right side
    2,636.08x = 5,300,827.30
  5. Step 5: Solve for x
    x = 5,300,827.30/2,636.08
  6. Step 6: Final answer
    x = 2,010.87

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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.