Home / 3,043.74-4,200.08-1,864.78

Finding the Fourth Proportional to 3,043.74, 4,200.08 and 1,864.78

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Solution

The fourth proportional to 3,043.74, 4,200.08 and 1,864.78 is: 2,573.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,043.74 : 4,200.08 = 1,864.78 : x
  2. Step 2: Convert to fraction form
    3,043.74/4,200.08 = 1,864.78/x
  3. Step 3: Cross multiply
    3,043.74x = 4,200.08 × 1,864.78
  4. Step 4: Simplify right side
    3,043.74x = 7,832,225.18
  5. Step 5: Solve for x
    x = 7,832,225.18/3,043.74
  6. Step 6: Final answer
    x = 2,573.22

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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.