Home / 1,743.45-2,403.99-1,113.15

Finding the Fourth Proportional to 1,743.45, 2,403.99 and 1,113.15

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Solution

The fourth proportional to 1,743.45, 2,403.99 and 1,113.15 is: 1,534.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.45 : 2,403.99 = 1,113.15 : x
  2. Step 2: Convert to fraction form
    1,743.45/2,403.99 = 1,113.15/x
  3. Step 3: Cross multiply
    1,743.45x = 2,403.99 × 1,113.15
  4. Step 4: Simplify right side
    1,743.45x = 2,676,001.47
  5. Step 5: Solve for x
    x = 2,676,001.47/1,743.45
  6. Step 6: Final answer
    x = 1,534.89

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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.