Home / 1,802.32-2,487.20-1,046.21

Finding the Fourth Proportional to 1,802.32, 2,487.20 and 1,046.21

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Solution

The fourth proportional to 1,802.32, 2,487.20 and 1,046.21 is: 1,443.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802.32 : 2,487.20 = 1,046.21 : x
  2. Step 2: Convert to fraction form
    1,802.32/2,487.20 = 1,046.21/x
  3. Step 3: Cross multiply
    1,802.32x = 2,487.20 × 1,046.21
  4. Step 4: Simplify right side
    1,802.32x = 2,602,115.84
  5. Step 5: Solve for x
    x = 2,602,115.84/1,802.32
  6. Step 6: Final answer
    x = 1,443.76

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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.