Home / 2,636.19-3,638.16-1,457.64

Finding the Fourth Proportional to 2,636.19, 3,638.16 and 1,457.64

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Solution

The fourth proportional to 2,636.19, 3,638.16 and 1,457.64 is: 2,011.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.19 : 3,638.16 = 1,457.64 : x
  2. Step 2: Convert to fraction form
    2,636.19/3,638.16 = 1,457.64/x
  3. Step 3: Cross multiply
    2,636.19x = 3,638.16 × 1,457.64
  4. Step 4: Simplify right side
    2,636.19x = 5,303,127.54
  5. Step 5: Solve for x
    x = 5,303,127.54/2,636.19
  6. Step 6: Final answer
    x = 2,011.66

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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.