Home / 2,607.60-3,891.36-2,330.76

Finding the Fourth Proportional to 2,607.60, 3,891.36 and 2,330.76

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Solution

The fourth proportional to 2,607.60, 3,891.36 and 2,330.76 is: 3,478.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607.60 : 3,891.36 = 2,330.76 : x
  2. Step 2: Convert to fraction form
    2,607.60/3,891.36 = 2,330.76/x
  3. Step 3: Cross multiply
    2,607.60x = 3,891.36 × 2,330.76
  4. Step 4: Simplify right side
    2,607.60x = 9,069,826.23
  5. Step 5: Solve for x
    x = 9,069,826.23/2,607.60
  6. Step 6: Final answer
    x = 3,478.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.