Home / 2,925.28-4,036.80-1,745.92

Finding the Fourth Proportional to 2,925.28, 4,036.80 and 1,745.92

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Solution

The fourth proportional to 2,925.28, 4,036.80 and 1,745.92 is: 2,409.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.28 : 4,036.80 = 1,745.92 : x
  2. Step 2: Convert to fraction form
    2,925.28/4,036.80 = 1,745.92/x
  3. Step 3: Cross multiply
    2,925.28x = 4,036.80 × 1,745.92
  4. Step 4: Simplify right side
    2,925.28x = 7,047,929.86
  5. Step 5: Solve for x
    x = 7,047,929.86/2,925.28
  6. Step 6: Final answer
    x = 2,409.32

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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.