Home / 2,875.04-4,313.28-927.30

Finding the Fourth Proportional to 2,875.04, 4,313.28 and 927.30

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Solution

The fourth proportional to 2,875.04, 4,313.28 and 927.30 is: 1,391.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.04 : 4,313.28 = 927.30 : x
  2. Step 2: Convert to fraction form
    2,875.04/4,313.28 = 927.30/x
  3. Step 3: Cross multiply
    2,875.04x = 4,313.28 × 927.30
  4. Step 4: Simplify right side
    2,875.04x = 3,999,704.54
  5. Step 5: Solve for x
    x = 3,999,704.54/2,875.04
  6. Step 6: Final answer
    x = 1,391.18

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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.