Home / 2,624.34-3,621.16-1,680.96

Finding the Fourth Proportional to 2,624.34, 3,621.16 and 1,680.96

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Solution

The fourth proportional to 2,624.34, 3,621.16 and 1,680.96 is: 2,319.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,624.34 : 3,621.16 = 1,680.96 : x
  2. Step 2: Convert to fraction form
    2,624.34/3,621.16 = 1,680.96/x
  3. Step 3: Cross multiply
    2,624.34x = 3,621.16 × 1,680.96
  4. Step 4: Simplify right side
    2,624.34x = 6,087,025.11
  5. Step 5: Solve for x
    x = 6,087,025.11/2,624.34
  6. Step 6: Final answer
    x = 2,319.45

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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.