Home / 3,114.35-4,298.67-1,788.48

Finding the Fourth Proportional to 3,114.35, 4,298.67 and 1,788.48

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Solution

The fourth proportional to 3,114.35, 4,298.67 and 1,788.48 is: 2,468.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.35 : 4,298.67 = 1,788.48 : x
  2. Step 2: Convert to fraction form
    3,114.35/4,298.67 = 1,788.48/x
  3. Step 3: Cross multiply
    3,114.35x = 4,298.67 × 1,788.48
  4. Step 4: Simplify right side
    3,114.35x = 7,688,085.32
  5. Step 5: Solve for x
    x = 7,688,085.32/3,114.35
  6. Step 6: Final answer
    x = 2,468.60

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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.