Home / 3,148.02-4,721.95-1,297.76

Finding the Fourth Proportional to 3,148.02, 4,721.95 and 1,297.76

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Solution

The fourth proportional to 3,148.02, 4,721.95 and 1,297.76 is: 1,946.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.02 : 4,721.95 = 1,297.76 : x
  2. Step 2: Convert to fraction form
    3,148.02/4,721.95 = 1,297.76/x
  3. Step 3: Cross multiply
    3,148.02x = 4,721.95 × 1,297.76
  4. Step 4: Simplify right side
    3,148.02x = 6,127,955.11
  5. Step 5: Solve for x
    x = 6,127,955.11/3,148.02
  6. Step 6: Final answer
    x = 1,946.61

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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.