Home / 2,929.04-4,041.52-1,985.59

Finding the Fourth Proportional to 2,929.04, 4,041.52 and 1,985.59

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Solution

The fourth proportional to 2,929.04, 4,041.52 and 1,985.59 is: 2,739.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.04 : 4,041.52 = 1,985.59 : x
  2. Step 2: Convert to fraction form
    2,929.04/4,041.52 = 1,985.59/x
  3. Step 3: Cross multiply
    2,929.04x = 4,041.52 × 1,985.59
  4. Step 4: Simplify right side
    2,929.04x = 8,024,801.70
  5. Step 5: Solve for x
    x = 8,024,801.70/2,929.04
  6. Step 6: Final answer
    x = 2,739.74

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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.