Home / 1,601.64-2,210.28-972.04

Finding the Fourth Proportional to 1,601.64, 2,210.28 and 972.04

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Solution

The fourth proportional to 1,601.64, 2,210.28 and 972.04 is: 1,341.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601.64 : 2,210.28 = 972.04 : x
  2. Step 2: Convert to fraction form
    1,601.64/2,210.28 = 972.04/x
  3. Step 3: Cross multiply
    1,601.64x = 2,210.28 × 972.04
  4. Step 4: Simplify right side
    1,601.64x = 2,148,480.57
  5. Step 5: Solve for x
    x = 2,148,480.57/1,601.64
  6. Step 6: Final answer
    x = 1,341.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.