Home / 2,970.63-4,455.95-1,671.39

Finding the Fourth Proportional to 2,970.63, 4,455.95 and 1,671.39

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Solution

The fourth proportional to 2,970.63, 4,455.95 and 1,671.39 is: 2,507.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.63 : 4,455.95 = 1,671.39 : x
  2. Step 2: Convert to fraction form
    2,970.63/4,455.95 = 1,671.39/x
  3. Step 3: Cross multiply
    2,970.63x = 4,455.95 × 1,671.39
  4. Step 4: Simplify right side
    2,970.63x = 7,447,621.91
  5. Step 5: Solve for x
    x = 7,447,621.91/2,970.63
  6. Step 6: Final answer
    x = 2,507.09

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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.