Home / 3,125.34-4,680.07-1,875.15

Finding the Fourth Proportional to 3,125.34, 4,680.07 and 1,875.15

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Solution

The fourth proportional to 3,125.34, 4,680.07 and 1,875.15 is: 2,807.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.34 : 4,680.07 = 1,875.15 : x
  2. Step 2: Convert to fraction form
    3,125.34/4,680.07 = 1,875.15/x
  3. Step 3: Cross multiply
    3,125.34x = 4,680.07 × 1,875.15
  4. Step 4: Simplify right side
    3,125.34x = 8,775,809.86
  5. Step 5: Solve for x
    x = 8,775,809.86/3,125.34
  6. Step 6: Final answer
    x = 2,807.96

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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.