Home / 1,755.48-2,422.86-1,047.36

Finding the Fourth Proportional to 1,755.48, 2,422.86 and 1,047.36

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Solution

The fourth proportional to 1,755.48, 2,422.86 and 1,047.36 is: 1,445.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755.48 : 2,422.86 = 1,047.36 : x
  2. Step 2: Convert to fraction form
    1,755.48/2,422.86 = 1,047.36/x
  3. Step 3: Cross multiply
    1,755.48x = 2,422.86 × 1,047.36
  4. Step 4: Simplify right side
    1,755.48x = 2,537,606.65
  5. Step 5: Solve for x
    x = 2,537,606.65/1,755.48
  6. Step 6: Final answer
    x = 1,445.53

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1.5x scale

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.