Home / 1,685.08-2,528.70-1,624.60

Finding the Fourth Proportional to 1,685.08, 2,528.70 and 1,624.60

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Solution

The fourth proportional to 1,685.08, 2,528.70 and 1,624.60 is: 2,437.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685.08 : 2,528.70 = 1,624.60 : x
  2. Step 2: Convert to fraction form
    1,685.08/2,528.70 = 1,624.60/x
  3. Step 3: Cross multiply
    1,685.08x = 2,528.70 × 1,624.60
  4. Step 4: Simplify right side
    1,685.08x = 4,108,126.02
  5. Step 5: Solve for x
    x = 4,108,126.02/1,685.08
  6. Step 6: Final answer
    x = 2,437.94

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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.