Home / 1,925.40-2,882.63-1,440.62

Finding the Fourth Proportional to 1,925.40, 2,882.63 and 1,440.62

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Solution

The fourth proportional to 1,925.40, 2,882.63 and 1,440.62 is: 2,156.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925.40 : 2,882.63 = 1,440.62 : x
  2. Step 2: Convert to fraction form
    1,925.40/2,882.63 = 1,440.62/x
  3. Step 3: Cross multiply
    1,925.40x = 2,882.63 × 1,440.62
  4. Step 4: Simplify right side
    1,925.40x = 4,152,752.81
  5. Step 5: Solve for x
    x = 4,152,752.81/1,925.40
  6. Step 6: Final answer
    x = 2,156.83

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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.