Home / 1,052.16-1,451.62-609.90

Finding the Fourth Proportional to 1,052.16, 1,451.62 and 609.90

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Solution

The fourth proportional to 1,052.16, 1,451.62 and 609.90 is: 841.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.16 : 1,451.62 = 609.90 : x
  2. Step 2: Convert to fraction form
    1,052.16/1,451.62 = 609.90/x
  3. Step 3: Cross multiply
    1,052.16x = 1,451.62 × 609.90
  4. Step 4: Simplify right side
    1,052.16x = 885,338.36
  5. Step 5: Solve for x
    x = 885,338.36/1,052.16
  6. Step 6: Final answer
    x = 841.45

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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.