Home / 1,690.23-2,331.00-1,060.83

Finding the Fourth Proportional to 1,690.23, 2,331.00 and 1,060.83

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Solution

The fourth proportional to 1,690.23, 2,331.00 and 1,060.83 is: 1,462.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690.23 : 2,331.00 = 1,060.83 : x
  2. Step 2: Convert to fraction form
    1,690.23/2,331.00 = 1,060.83/x
  3. Step 3: Cross multiply
    1,690.23x = 2,331.00 × 1,060.83
  4. Step 4: Simplify right side
    1,690.23x = 2,472,797.71
  5. Step 5: Solve for x
    x = 2,472,797.71/1,690.23
  6. Step 6: Final answer
    x = 1,462.99

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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.