Home / 2,875.32-4,317.30-1,644.12

Finding the Fourth Proportional to 2,875.32, 4,317.30 and 1,644.12

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Solution

The fourth proportional to 2,875.32, 4,317.30 and 1,644.12 is: 2,468.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.32 : 4,317.30 = 1,644.12 : x
  2. Step 2: Convert to fraction form
    2,875.32/4,317.30 = 1,644.12/x
  3. Step 3: Cross multiply
    2,875.32x = 4,317.30 × 1,644.12
  4. Step 4: Simplify right side
    2,875.32x = 7,098,159.28
  5. Step 5: Solve for x
    x = 7,098,159.28/2,875.32
  6. Step 6: Final answer
    x = 2,468.65

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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.