Home / 2,875.18-4,313.07-926.92

Finding the Fourth Proportional to 2,875.18, 4,313.07 and 926.92

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Solution

The fourth proportional to 2,875.18, 4,313.07 and 926.92 is: 1,390.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.18 : 4,313.07 = 926.92 : x
  2. Step 2: Convert to fraction form
    2,875.18/4,313.07 = 926.92/x
  3. Step 3: Cross multiply
    2,875.18x = 4,313.07 × 926.92
  4. Step 4: Simplify right side
    2,875.18x = 3,997,870.84
  5. Step 5: Solve for x
    x = 3,997,870.84/2,875.18
  6. Step 6: Final answer
    x = 1,390.48

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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.