Home / 2,925.36-4,385.52-977.04

Finding the Fourth Proportional to 2,925.36, 4,385.52 and 977.04

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Solution

The fourth proportional to 2,925.36, 4,385.52 and 977.04 is: 1,464.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.36 : 4,385.52 = 977.04 : x
  2. Step 2: Convert to fraction form
    2,925.36/4,385.52 = 977.04/x
  3. Step 3: Cross multiply
    2,925.36x = 4,385.52 × 977.04
  4. Step 4: Simplify right side
    2,925.36x = 4,284,828.46
  5. Step 5: Solve for x
    x = 4,284,828.46/2,925.36
  6. Step 6: Final answer
    x = 1,464.72

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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.