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Finding the Fourth Proportional to 3,463.58, 4,779.88 and 1,971.77

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Solution

The fourth proportional to 3,463.58, 4,779.88 and 1,971.77 is: 2,721.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,463.58 : 4,779.88 = 1,971.77 : x
  2. Step 2: Convert to fraction form
    3,463.58/4,779.88 = 1,971.77/x
  3. Step 3: Cross multiply
    3,463.58x = 4,779.88 × 1,971.77
  4. Step 4: Simplify right side
    3,463.58x = 9,424,795.16
  5. Step 5: Solve for x
    x = 9,424,795.16/3,463.58
  6. Step 6: Final answer
    x = 2,721.11

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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.