Home / 3,510.60-5,265.90-1,955.40

Finding the Fourth Proportional to 3,510.60, 5,265.90 and 1,955.40

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Solution

The fourth proportional to 3,510.60, 5,265.90 and 1,955.40 is: 2,933.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510.60 : 5,265.90 = 1,955.40 : x
  2. Step 2: Convert to fraction form
    3,510.60/5,265.90 = 1,955.40/x
  3. Step 3: Cross multiply
    3,510.60x = 5,265.90 × 1,955.40
  4. Step 4: Simplify right side
    3,510.60x = 10,296,940.86
  5. Step 5: Solve for x
    x = 10,296,940.86/3,510.60
  6. Step 6: Final answer
    x = 2,933.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.