Home / 3,114.23-4,296.87-1,854.47

Finding the Fourth Proportional to 3,114.23, 4,296.87 and 1,854.47

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Solution

The fourth proportional to 3,114.23, 4,296.87 and 1,854.47 is: 2,558.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.23 : 4,296.87 = 1,854.47 : x
  2. Step 2: Convert to fraction form
    3,114.23/4,296.87 = 1,854.47/x
  3. Step 3: Cross multiply
    3,114.23x = 4,296.87 × 1,854.47
  4. Step 4: Simplify right side
    3,114.23x = 7,968,416.51
  5. Step 5: Solve for x
    x = 7,968,416.51/3,114.23
  6. Step 6: Final answer
    x = 2,558.72

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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.