Home / 3,574.43-4,931.01-2,158.17

Finding the Fourth Proportional to 3,574.43, 4,931.01 and 2,158.17

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Solution

The fourth proportional to 3,574.43, 4,931.01 and 2,158.17 is: 2,977.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.43 : 4,931.01 = 2,158.17 : x
  2. Step 2: Convert to fraction form
    3,574.43/4,931.01 = 2,158.17/x
  3. Step 3: Cross multiply
    3,574.43x = 4,931.01 × 2,158.17
  4. Step 4: Simplify right side
    3,574.43x = 10,641,957.85
  5. Step 5: Solve for x
    x = 10,641,957.85/3,574.43
  6. Step 6: Final answer
    x = 2,977.25

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1.5x scale

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.