Home / 4,253.28-5,870.40-2,680.32

Finding the Fourth Proportional to 4,253.28, 5,870.40 and 2,680.32

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Solution

The fourth proportional to 4,253.28, 5,870.40 and 2,680.32 is: 3,699.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.28 : 5,870.40 = 2,680.32 : x
  2. Step 2: Convert to fraction form
    4,253.28/5,870.40 = 2,680.32/x
  3. Step 3: Cross multiply
    4,253.28x = 5,870.40 × 2,680.32
  4. Step 4: Simplify right side
    4,253.28x = 15,734,550.53
  5. Step 5: Solve for x
    x = 15,734,550.53/4,253.28
  6. Step 6: Final answer
    x = 3,699.39

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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.