Home / 3,148.90-4,746.94-2,937.46

Finding the Fourth Proportional to 3,148.90, 4,746.94 and 2,937.46

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Solution

The fourth proportional to 3,148.90, 4,746.94 and 2,937.46 is: 4,428.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.90 : 4,746.94 = 2,937.46 : x
  2. Step 2: Convert to fraction form
    3,148.90/4,746.94 = 2,937.46/x
  3. Step 3: Cross multiply
    3,148.90x = 4,746.94 × 2,937.46
  4. Step 4: Simplify right side
    3,148.90x = 13,943,931.69
  5. Step 5: Solve for x
    x = 13,943,931.69/3,148.90
  6. Step 6: Final answer
    x = 4,428.19

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.