Home / 3,013.15-4,159.65-1,894.70

Finding the Fourth Proportional to 3,013.15, 4,159.65 and 1,894.70

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Solution

The fourth proportional to 3,013.15, 4,159.65 and 1,894.70 is: 2,615.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.15 : 4,159.65 = 1,894.70 : x
  2. Step 2: Convert to fraction form
    3,013.15/4,159.65 = 1,894.70/x
  3. Step 3: Cross multiply
    3,013.15x = 4,159.65 × 1,894.70
  4. Step 4: Simplify right side
    3,013.15x = 7,881,299.25
  5. Step 5: Solve for x
    x = 7,881,299.25/3,013.15
  6. Step 6: Final answer
    x = 2,615.64

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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.