Home / 2,901.32-4,317.08-2,891.60

Finding the Fourth Proportional to 2,901.32, 4,317.08 and 2,891.60

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Solution

The fourth proportional to 2,901.32, 4,317.08 and 2,891.60 is: 4,302.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.32 : 4,317.08 = 2,891.60 : x
  2. Step 2: Convert to fraction form
    2,901.32/4,317.08 = 2,891.60/x
  3. Step 3: Cross multiply
    2,901.32x = 4,317.08 × 2,891.60
  4. Step 4: Simplify right side
    2,901.32x = 12,483,232.48
  5. Step 5: Solve for x
    x = 12,483,232.48/2,901.32
  6. Step 6: Final answer
    x = 4,302.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.