Home / 3,118.93-4,677.23-1,038.55

Finding the Fourth Proportional to 3,118.93, 4,677.23 and 1,038.55

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Solution

The fourth proportional to 3,118.93, 4,677.23 and 1,038.55 is: 1,557.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.93 : 4,677.23 = 1,038.55 : x
  2. Step 2: Convert to fraction form
    3,118.93/4,677.23 = 1,038.55/x
  3. Step 3: Cross multiply
    3,118.93x = 4,677.23 × 1,038.55
  4. Step 4: Simplify right side
    3,118.93x = 4,857,537.22
  5. Step 5: Solve for x
    x = 4,857,537.22/3,118.93
  6. Step 6: Final answer
    x = 1,557.44

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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.