Home / 1,839.48-2,538.96-1,053.96

Finding the Fourth Proportional to 1,839.48, 2,538.96 and 1,053.96

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Solution

The fourth proportional to 1,839.48, 2,538.96 and 1,053.96 is: 1,454.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.48 : 2,538.96 = 1,053.96 : x
  2. Step 2: Convert to fraction form
    1,839.48/2,538.96 = 1,053.96/x
  3. Step 3: Cross multiply
    1,839.48x = 2,538.96 × 1,053.96
  4. Step 4: Simplify right side
    1,839.48x = 2,675,962.28
  5. Step 5: Solve for x
    x = 2,675,962.28/1,839.48
  6. Step 6: Final answer
    x = 1,454.74

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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.