Home / 2,095.40-3,143.18-1,054.84

Finding the Fourth Proportional to 2,095.40, 3,143.18 and 1,054.84

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Solution

The fourth proportional to 2,095.40, 3,143.18 and 1,054.84 is: 1,582.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,095.40 : 3,143.18 = 1,054.84 : x
  2. Step 2: Convert to fraction form
    2,095.40/3,143.18 = 1,054.84/x
  3. Step 3: Cross multiply
    2,095.40x = 3,143.18 × 1,054.84
  4. Step 4: Simplify right side
    2,095.40x = 3,315,551.99
  5. Step 5: Solve for x
    x = 3,315,551.99/2,095.40
  6. Step 6: Final answer
    x = 1,582.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.