Home / 3,123.02-4,676.40-3,030.68

Finding the Fourth Proportional to 3,123.02, 4,676.40 and 3,030.68

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Solution

The fourth proportional to 3,123.02, 4,676.40 and 3,030.68 is: 4,538.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.02 : 4,676.40 = 3,030.68 : x
  2. Step 2: Convert to fraction form
    3,123.02/4,676.40 = 3,030.68/x
  3. Step 3: Cross multiply
    3,123.02x = 4,676.40 × 3,030.68
  4. Step 4: Simplify right side
    3,123.02x = 14,172,671.95
  5. Step 5: Solve for x
    x = 14,172,671.95/3,123.02
  6. Step 6: Final answer
    x = 4,538.13

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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.