Home / 1,802.22-2,487.12-1,045.94

Finding the Fourth Proportional to 1,802.22, 2,487.12 and 1,045.94

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Solution

The fourth proportional to 1,802.22, 2,487.12 and 1,045.94 is: 1,443.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802.22 : 2,487.12 = 1,045.94 : x
  2. Step 2: Convert to fraction form
    1,802.22/2,487.12 = 1,045.94/x
  3. Step 3: Cross multiply
    1,802.22x = 2,487.12 × 1,045.94
  4. Step 4: Simplify right side
    1,802.22x = 2,601,372.34
  5. Step 5: Solve for x
    x = 2,601,372.34/1,802.22
  6. Step 6: Final answer
    x = 1,443.43

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1.5x scale

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.