Home / 1,827.14-2,521.45-999.14

Finding the Fourth Proportional to 1,827.14, 2,521.45 and 999.14

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Solution

The fourth proportional to 1,827.14, 2,521.45 and 999.14 is: 1,378.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827.14 : 2,521.45 = 999.14 : x
  2. Step 2: Convert to fraction form
    1,827.14/2,521.45 = 999.14/x
  3. Step 3: Cross multiply
    1,827.14x = 2,521.45 × 999.14
  4. Step 4: Simplify right side
    1,827.14x = 2,519,281.55
  5. Step 5: Solve for x
    x = 2,519,281.55/1,827.14
  6. Step 6: Final answer
    x = 1,378.81

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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.