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Finding the Fourth Proportional to 2,877.04, 4,308.96 and 1,779.52

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Solution

The fourth proportional to 2,877.04, 4,308.96 and 1,779.52 is: 2,665.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.04 : 4,308.96 = 1,779.52 : x
  2. Step 2: Convert to fraction form
    2,877.04/4,308.96 = 1,779.52/x
  3. Step 3: Cross multiply
    2,877.04x = 4,308.96 × 1,779.52
  4. Step 4: Simplify right side
    2,877.04x = 7,667,880.50
  5. Step 5: Solve for x
    x = 7,667,880.50/2,877.04
  6. Step 6: Final answer
    x = 2,665.20

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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.