Home / 2,500.31-3,742.59-1,715.72

Finding the Fourth Proportional to 2,500.31, 3,742.59 and 1,715.72

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Solution

The fourth proportional to 2,500.31, 3,742.59 and 1,715.72 is: 2,568.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,500.31 : 3,742.59 = 1,715.72 : x
  2. Step 2: Convert to fraction form
    2,500.31/3,742.59 = 1,715.72/x
  3. Step 3: Cross multiply
    2,500.31x = 3,742.59 × 1,715.72
  4. Step 4: Simplify right side
    2,500.31x = 6,421,236.51
  5. Step 5: Solve for x
    x = 6,421,236.51/2,500.31
  6. Step 6: Final answer
    x = 2,568.18

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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.