Home / 1,582.16-2,184.18-1,085

Finding the Fourth Proportional to 1,582.16, 2,184.18 and 1,085

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Solution

The fourth proportional to 1,582.16, 2,184.18 and 1,085 is: 1,497.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,582.16 : 2,184.18 = 1,085 : x
  2. Step 2: Convert to fraction form
    1,582.16/2,184.18 = 1,085/x
  3. Step 3: Cross multiply
    1,582.16x = 2,184.18 × 1,085
  4. Step 4: Simplify right side
    1,582.16x = 2,369,835.30
  5. Step 5: Solve for x
    x = 2,369,835.30/1,582.16
  6. Step 6: Final answer
    x = 1,497.85

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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.