Home / 2,657.03-3,981.12-1,875.75

Finding the Fourth Proportional to 2,657.03, 3,981.12 and 1,875.75

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Solution

The fourth proportional to 2,657.03, 3,981.12 and 1,875.75 is: 2,810.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657.03 : 3,981.12 = 1,875.75 : x
  2. Step 2: Convert to fraction form
    2,657.03/3,981.12 = 1,875.75/x
  3. Step 3: Cross multiply
    2,657.03x = 3,981.12 × 1,875.75
  4. Step 4: Simplify right side
    2,657.03x = 7,467,585.84
  5. Step 5: Solve for x
    x = 7,467,585.84/2,657.03
  6. Step 6: Final answer
    x = 2,810.50

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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.