Home / 1,473.60-2,032.56-1,211.16

Finding the Fourth Proportional to 1,473.60, 2,032.56 and 1,211.16

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Solution

The fourth proportional to 1,473.60, 2,032.56 and 1,211.16 is: 1,670.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.60 : 2,032.56 = 1,211.16 : x
  2. Step 2: Convert to fraction form
    1,473.60/2,032.56 = 1,211.16/x
  3. Step 3: Cross multiply
    1,473.60x = 2,032.56 × 1,211.16
  4. Step 4: Simplify right side
    1,473.60x = 2,461,755.37
  5. Step 5: Solve for x
    x = 2,461,755.37/1,473.60
  6. Step 6: Final answer
    x = 1,670.57

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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.