Home / 2,686.36-3,707.13-1,491.34

Finding the Fourth Proportional to 2,686.36, 3,707.13 and 1,491.34

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Solution

The fourth proportional to 2,686.36, 3,707.13 and 1,491.34 is: 2,058.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.36 : 3,707.13 = 1,491.34 : x
  2. Step 2: Convert to fraction form
    2,686.36/3,707.13 = 1,491.34/x
  3. Step 3: Cross multiply
    2,686.36x = 3,707.13 × 1,491.34
  4. Step 4: Simplify right side
    2,686.36x = 5,528,581.99
  5. Step 5: Solve for x
    x = 5,528,581.99/2,686.36
  6. Step 6: Final answer
    x = 2,058.02

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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.