Home / 3,111.93-4,294.47-1,714.68

Finding the Fourth Proportional to 3,111.93, 4,294.47 and 1,714.68

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Solution

The fourth proportional to 3,111.93, 4,294.47 and 1,714.68 is: 2,366.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111.93 : 4,294.47 = 1,714.68 : x
  2. Step 2: Convert to fraction form
    3,111.93/4,294.47 = 1,714.68/x
  3. Step 3: Cross multiply
    3,111.93x = 4,294.47 × 1,714.68
  4. Step 4: Simplify right side
    3,111.93x = 7,363,641.82
  5. Step 5: Solve for x
    x = 7,363,641.82/3,111.93
  6. Step 6: Final answer
    x = 2,366.26

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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.