Home / 2,875.30-4,313.55-1,641.70

Finding the Fourth Proportional to 2,875.30, 4,313.55 and 1,641.70

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Solution

The fourth proportional to 2,875.30, 4,313.55 and 1,641.70 is: 2,462.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.30 : 4,313.55 = 1,641.70 : x
  2. Step 2: Convert to fraction form
    2,875.30/4,313.55 = 1,641.70/x
  3. Step 3: Cross multiply
    2,875.30x = 4,313.55 × 1,641.70
  4. Step 4: Simplify right side
    2,875.30x = 7,081,555.04
  5. Step 5: Solve for x
    x = 7,081,555.04/2,875.30
  6. Step 6: Final answer
    x = 2,462.89

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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.