Home / 2,946.61-4,064.69-1,867.91

Finding the Fourth Proportional to 2,946.61, 4,064.69 and 1,867.91

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Solution

The fourth proportional to 2,946.61, 4,064.69 and 1,867.91 is: 2,576.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.61 : 4,064.69 = 1,867.91 : x
  2. Step 2: Convert to fraction form
    2,946.61/4,064.69 = 1,867.91/x
  3. Step 3: Cross multiply
    2,946.61x = 4,064.69 × 1,867.91
  4. Step 4: Simplify right side
    2,946.61x = 7,592,475.10
  5. Step 5: Solve for x
    x = 7,592,475.10/2,946.61
  6. Step 6: Final answer
    x = 2,576.68

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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.