Home / 2,877.76-4,312.56-1,417.96

Finding the Fourth Proportional to 2,877.76, 4,312.56 and 1,417.96

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Solution

The fourth proportional to 2,877.76, 4,312.56 and 1,417.96 is: 2,124.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.76 : 4,312.56 = 1,417.96 : x
  2. Step 2: Convert to fraction form
    2,877.76/4,312.56 = 1,417.96/x
  3. Step 3: Cross multiply
    2,877.76x = 4,312.56 × 1,417.96
  4. Step 4: Simplify right side
    2,877.76x = 6,115,037.58
  5. Step 5: Solve for x
    x = 6,115,037.58/2,877.76
  6. Step 6: Final answer
    x = 2,124.93

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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.