Home / 2,875.90-4,313.85-2,001.10

Finding the Fourth Proportional to 2,875.90, 4,313.85 and 2,001.10

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Solution

The fourth proportional to 2,875.90, 4,313.85 and 2,001.10 is: 3,001.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.90 : 4,313.85 = 2,001.10 : x
  2. Step 2: Convert to fraction form
    2,875.90/4,313.85 = 2,001.10/x
  3. Step 3: Cross multiply
    2,875.90x = 4,313.85 × 2,001.10
  4. Step 4: Simplify right side
    2,875.90x = 8,632,445.24
  5. Step 5: Solve for x
    x = 8,632,445.24/2,875.90
  6. Step 6: Final answer
    x = 3,001.65

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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.