Home / 1,347.30-2,007.05-1,306.51

Finding the Fourth Proportional to 1,347.30, 2,007.05 and 1,306.51

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Solution

The fourth proportional to 1,347.30, 2,007.05 and 1,306.51 is: 1,946.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347.30 : 2,007.05 = 1,306.51 : x
  2. Step 2: Convert to fraction form
    1,347.30/2,007.05 = 1,306.51/x
  3. Step 3: Cross multiply
    1,347.30x = 2,007.05 × 1,306.51
  4. Step 4: Simplify right side
    1,347.30x = 2,622,219.35
  5. Step 5: Solve for x
    x = 2,622,219.35/1,347.30
  6. Step 6: Final answer
    x = 1,946.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.