Home / 1,488.43-2,051.66-1,173.18

Finding the Fourth Proportional to 1,488.43, 2,051.66 and 1,173.18

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Solution

The fourth proportional to 1,488.43, 2,051.66 and 1,173.18 is: 1,617.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488.43 : 2,051.66 = 1,173.18 : x
  2. Step 2: Convert to fraction form
    1,488.43/2,051.66 = 1,173.18/x
  3. Step 3: Cross multiply
    1,488.43x = 2,051.66 × 1,173.18
  4. Step 4: Simplify right side
    1,488.43x = 2,406,969.41
  5. Step 5: Solve for x
    x = 2,406,969.41/1,488.43
  6. Step 6: Final answer
    x = 1,617.12

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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.