Home / 1,370.98-2,043.45-1,293.15

Finding the Fourth Proportional to 1,370.98, 2,043.45 and 1,293.15

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Solution

The fourth proportional to 1,370.98, 2,043.45 and 1,293.15 is: 1,927.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370.98 : 2,043.45 = 1,293.15 : x
  2. Step 2: Convert to fraction form
    1,370.98/2,043.45 = 1,293.15/x
  3. Step 3: Cross multiply
    1,370.98x = 2,043.45 × 1,293.15
  4. Step 4: Simplify right side
    1,370.98x = 2,642,487.37
  5. Step 5: Solve for x
    x = 2,642,487.37/1,370.98
  6. Step 6: Final answer
    x = 1,927.44

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1.5x scale

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.