Home / 1,726.11-2,572.43-1,670.76

Finding the Fourth Proportional to 1,726.11, 2,572.43 and 1,670.76

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Solution

The fourth proportional to 1,726.11, 2,572.43 and 1,670.76 is: 2,489.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726.11 : 2,572.43 = 1,670.76 : x
  2. Step 2: Convert to fraction form
    1,726.11/2,572.43 = 1,670.76/x
  3. Step 3: Cross multiply
    1,726.11x = 2,572.43 × 1,670.76
  4. Step 4: Simplify right side
    1,726.11x = 4,297,904.79
  5. Step 5: Solve for x
    x = 4,297,904.79/1,726.11
  6. Step 6: Final answer
    x = 2,489.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.