Home / 3,438.10-4,744-1,925.63

Finding the Fourth Proportional to 3,438.10, 4,744 and 1,925.63

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Solution

The fourth proportional to 3,438.10, 4,744 and 1,925.63 is: 2,657.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.10 : 4,744 = 1,925.63 : x
  2. Step 2: Convert to fraction form
    3,438.10/4,744 = 1,925.63/x
  3. Step 3: Cross multiply
    3,438.10x = 4,744 × 1,925.63
  4. Step 4: Simplify right side
    3,438.10x = 9,135,188.72
  5. Step 5: Solve for x
    x = 9,135,188.72/3,438.10
  6. Step 6: Final answer
    x = 2,657.05

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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.