Home / 2,636.13-3,637.86-1,457.19

Finding the Fourth Proportional to 2,636.13, 3,637.86 and 1,457.19

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Solution

The fourth proportional to 2,636.13, 3,637.86 and 1,457.19 is: 2,010.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.13 : 3,637.86 = 1,457.19 : x
  2. Step 2: Convert to fraction form
    2,636.13/3,637.86 = 1,457.19/x
  3. Step 3: Cross multiply
    2,636.13x = 3,637.86 × 1,457.19
  4. Step 4: Simplify right side
    2,636.13x = 5,301,053.21
  5. Step 5: Solve for x
    x = 5,301,053.21/2,636.13
  6. Step 6: Final answer
    x = 2,010.92

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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.