Home / 2,946.16-4,417.80-1,647.28

Finding the Fourth Proportional to 2,946.16, 4,417.80 and 1,647.28

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Solution

The fourth proportional to 2,946.16, 4,417.80 and 1,647.28 is: 2,470.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.16 : 4,417.80 = 1,647.28 : x
  2. Step 2: Convert to fraction form
    2,946.16/4,417.80 = 1,647.28/x
  3. Step 3: Cross multiply
    2,946.16x = 4,417.80 × 1,647.28
  4. Step 4: Simplify right side
    2,946.16x = 7,277,353.58
  5. Step 5: Solve for x
    x = 7,277,353.58/2,946.16
  6. Step 6: Final answer
    x = 2,470.11

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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.