Home / 1,969.40-2,952.48-1,237.16

Finding the Fourth Proportional to 1,969.40, 2,952.48 and 1,237.16

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Solution

The fourth proportional to 1,969.40, 2,952.48 and 1,237.16 is: 1,854.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969.40 : 2,952.48 = 1,237.16 : x
  2. Step 2: Convert to fraction form
    1,969.40/2,952.48 = 1,237.16/x
  3. Step 3: Cross multiply
    1,969.40x = 2,952.48 × 1,237.16
  4. Step 4: Simplify right side
    1,969.40x = 3,652,690.16
  5. Step 5: Solve for x
    x = 3,652,690.16/1,969.40
  6. Step 6: Final answer
    x = 1,854.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.