Home / 2,931.02-4,394.88-2,007.62

Finding the Fourth Proportional to 2,931.02, 4,394.88 and 2,007.62

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Solution

The fourth proportional to 2,931.02, 4,394.88 and 2,007.62 is: 3,010.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.02 : 4,394.88 = 2,007.62 : x
  2. Step 2: Convert to fraction form
    2,931.02/4,394.88 = 2,007.62/x
  3. Step 3: Cross multiply
    2,931.02x = 4,394.88 × 2,007.62
  4. Step 4: Simplify right side
    2,931.02x = 8,823,227.01
  5. Step 5: Solve for x
    x = 8,823,227.01/2,931.02
  6. Step 6: Final answer
    x = 3,010.30

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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.