Home / 3,114.52-4,300.14-1,937.40

Finding the Fourth Proportional to 3,114.52, 4,300.14 and 1,937.40

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Solution

The fourth proportional to 3,114.52, 4,300.14 and 1,937.40 is: 2,674.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.52 : 4,300.14 = 1,937.40 : x
  2. Step 2: Convert to fraction form
    3,114.52/4,300.14 = 1,937.40/x
  3. Step 3: Cross multiply
    3,114.52x = 4,300.14 × 1,937.40
  4. Step 4: Simplify right side
    3,114.52x = 8,331,091.24
  5. Step 5: Solve for x
    x = 8,331,091.24/3,114.52
  6. Step 6: Final answer
    x = 2,674.92

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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.