Home / 2,307.08-3,177.42-2,125.64

Finding the Fourth Proportional to 2,307.08, 3,177.42 and 2,125.64

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Solution

The fourth proportional to 2,307.08, 3,177.42 and 2,125.64 is: 2,927.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,307.08 : 3,177.42 = 2,125.64 : x
  2. Step 2: Convert to fraction form
    2,307.08/3,177.42 = 2,125.64/x
  3. Step 3: Cross multiply
    2,307.08x = 3,177.42 × 2,125.64
  4. Step 4: Simplify right side
    2,307.08x = 6,754,051.05
  5. Step 5: Solve for x
    x = 6,754,051.05/2,307.08
  6. Step 6: Final answer
    x = 2,927.53

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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.