Home / 1,898.64-2,849.12-802.96

Finding the Fourth Proportional to 1,898.64, 2,849.12 and 802.96

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Solution

The fourth proportional to 1,898.64, 2,849.12 and 802.96 is: 1,204.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898.64 : 2,849.12 = 802.96 : x
  2. Step 2: Convert to fraction form
    1,898.64/2,849.12 = 802.96/x
  3. Step 3: Cross multiply
    1,898.64x = 2,849.12 × 802.96
  4. Step 4: Simplify right side
    1,898.64x = 2,287,729.40
  5. Step 5: Solve for x
    x = 2,287,729.40/1,898.64
  6. Step 6: Final answer
    x = 1,204.93

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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.