Home / 3,157.04-4,345.79-3,042.25

Finding the Fourth Proportional to 3,157.04, 4,345.79 and 3,042.25

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Solution

The fourth proportional to 3,157.04, 4,345.79 and 3,042.25 is: 4,187.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.04 : 4,345.79 = 3,042.25 : x
  2. Step 2: Convert to fraction form
    3,157.04/4,345.79 = 3,042.25/x
  3. Step 3: Cross multiply
    3,157.04x = 4,345.79 × 3,042.25
  4. Step 4: Simplify right side
    3,157.04x = 13,220,953.55
  5. Step 5: Solve for x
    x = 13,220,953.55/3,157.04
  6. Step 6: Final answer
    x = 4,187.77

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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.