Home / 2,875.10-4,313.33-927.32

Finding the Fourth Proportional to 2,875.10, 4,313.33 and 927.32

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Solution

The fourth proportional to 2,875.10, 4,313.33 and 927.32 is: 1,391.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.10 : 4,313.33 = 927.32 : x
  2. Step 2: Convert to fraction form
    2,875.10/4,313.33 = 927.32/x
  3. Step 3: Cross multiply
    2,875.10x = 4,313.33 × 927.32
  4. Step 4: Simplify right side
    2,875.10x = 3,999,837.18
  5. Step 5: Solve for x
    x = 3,999,837.18/2,875.10
  6. Step 6: Final answer
    x = 1,391.20

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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.