Home / 1,052.90-1,572.00-949.22

Finding the Fourth Proportional to 1,052.90, 1,572.00 and 949.22

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Solution

The fourth proportional to 1,052.90, 1,572.00 and 949.22 is: 1,417.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.90 : 1,572.00 = 949.22 : x
  2. Step 2: Convert to fraction form
    1,052.90/1,572.00 = 949.22/x
  3. Step 3: Cross multiply
    1,052.90x = 1,572.00 × 949.22
  4. Step 4: Simplify right side
    1,052.90x = 1,492,169.09
  5. Step 5: Solve for x
    x = 1,492,169.09/1,052.90
  6. Step 6: Final answer
    x = 1,417.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.