Home / 1,701.86-2,348.68-1,281.47

Finding the Fourth Proportional to 1,701.86, 2,348.68 and 1,281.47

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Solution

The fourth proportional to 1,701.86, 2,348.68 and 1,281.47 is: 1,768.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,701.86 : 2,348.68 = 1,281.47 : x
  2. Step 2: Convert to fraction form
    1,701.86/2,348.68 = 1,281.47/x
  3. Step 3: Cross multiply
    1,701.86x = 2,348.68 × 1,281.47
  4. Step 4: Simplify right side
    1,701.86x = 3,009,765.63
  5. Step 5: Solve for x
    x = 3,009,765.63/1,701.86
  6. Step 6: Final answer
    x = 1,768.51

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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.