Home / 2,670.13-3,684.76-1,551.71

Finding the Fourth Proportional to 2,670.13, 3,684.76 and 1,551.71

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Solution

The fourth proportional to 2,670.13, 3,684.76 and 1,551.71 is: 2,141.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.13 : 3,684.76 = 1,551.71 : x
  2. Step 2: Convert to fraction form
    2,670.13/3,684.76 = 1,551.71/x
  3. Step 3: Cross multiply
    2,670.13x = 3,684.76 × 1,551.71
  4. Step 4: Simplify right side
    2,670.13x = 5,717,678.94
  5. Step 5: Solve for x
    x = 5,717,678.94/2,670.13
  6. Step 6: Final answer
    x = 2,141.35

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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.