Home / 2,946.02-4,065.82-1,767.20

Finding the Fourth Proportional to 2,946.02, 4,065.82 and 1,767.20

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Solution

The fourth proportional to 2,946.02, 4,065.82 and 1,767.20 is: 2,438.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.02 : 4,065.82 = 1,767.20 : x
  2. Step 2: Convert to fraction form
    2,946.02/4,065.82 = 1,767.20/x
  3. Step 3: Cross multiply
    2,946.02x = 4,065.82 × 1,767.20
  4. Step 4: Simplify right side
    2,946.02x = 7,185,117.10
  5. Step 5: Solve for x
    x = 7,185,117.10/2,946.02
  6. Step 6: Final answer
    x = 2,438.92

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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.