Home / 2,352.10-3,528.29-620.72

Finding the Fourth Proportional to 2,352.10, 3,528.29 and 620.72

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Solution

The fourth proportional to 2,352.10, 3,528.29 and 620.72 is: 931.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,352.10 : 3,528.29 = 620.72 : x
  2. Step 2: Convert to fraction form
    2,352.10/3,528.29 = 620.72/x
  3. Step 3: Cross multiply
    2,352.10x = 3,528.29 × 620.72
  4. Step 4: Simplify right side
    2,352.10x = 2,190,080.17
  5. Step 5: Solve for x
    x = 2,190,080.17/2,352.10
  6. Step 6: Final answer
    x = 931.12

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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.