Home / 2,931.64-4,047.61-2,304.70

Finding the Fourth Proportional to 2,931.64, 4,047.61 and 2,304.70

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Solution

The fourth proportional to 2,931.64, 4,047.61 and 2,304.70 is: 3,182.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.64 : 4,047.61 = 2,304.70 : x
  2. Step 2: Convert to fraction form
    2,931.64/4,047.61 = 2,304.70/x
  3. Step 3: Cross multiply
    2,931.64x = 4,047.61 × 2,304.70
  4. Step 4: Simplify right side
    2,931.64x = 9,328,506.53
  5. Step 5: Solve for x
    x = 9,328,506.53/2,931.64
  6. Step 6: Final answer
    x = 3,182.01

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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.