Home / 2,921.85-4,376.54-2,364.16

Finding the Fourth Proportional to 2,921.85, 4,376.54 and 2,364.16

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Solution

The fourth proportional to 2,921.85, 4,376.54 and 2,364.16 is: 3,541.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.85 : 4,376.54 = 2,364.16 : x
  2. Step 2: Convert to fraction form
    2,921.85/4,376.54 = 2,364.16/x
  3. Step 3: Cross multiply
    2,921.85x = 4,376.54 × 2,364.16
  4. Step 4: Simplify right side
    2,921.85x = 10,346,840.81
  5. Step 5: Solve for x
    x = 10,346,840.81/2,921.85
  6. Step 6: Final answer
    x = 3,541.20

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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.