Home / 2,646.40-3,968.32-1,551.12

Finding the Fourth Proportional to 2,646.40, 3,968.32 and 1,551.12

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Solution

The fourth proportional to 2,646.40, 3,968.32 and 1,551.12 is: 2,325.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646.40 : 3,968.32 = 1,551.12 : x
  2. Step 2: Convert to fraction form
    2,646.40/3,968.32 = 1,551.12/x
  3. Step 3: Cross multiply
    2,646.40x = 3,968.32 × 1,551.12
  4. Step 4: Simplify right side
    2,646.40x = 6,155,340.52
  5. Step 5: Solve for x
    x = 6,155,340.52/2,646.40
  6. Step 6: Final answer
    x = 2,325.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.