Home / 1,304.04-1,970.85-1,281.36

Finding the Fourth Proportional to 1,304.04, 1,970.85 and 1,281.36

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Solution

The fourth proportional to 1,304.04, 1,970.85 and 1,281.36 is: 1,936.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304.04 : 1,970.85 = 1,281.36 : x
  2. Step 2: Convert to fraction form
    1,304.04/1,970.85 = 1,281.36/x
  3. Step 3: Cross multiply
    1,304.04x = 1,970.85 × 1,281.36
  4. Step 4: Simplify right side
    1,304.04x = 2,525,368.36
  5. Step 5: Solve for x
    x = 2,525,368.36/1,304.04
  6. Step 6: Final answer
    x = 1,936.57

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.