Home / 2,901.60-4,002.48-2,061

Finding the Fourth Proportional to 2,901.60, 4,002.48 and 2,061

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Solution

The fourth proportional to 2,901.60, 4,002.48 and 2,061 is: 2,842.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.60 : 4,002.48 = 2,061 : x
  2. Step 2: Convert to fraction form
    2,901.60/4,002.48 = 2,061/x
  3. Step 3: Cross multiply
    2,901.60x = 4,002.48 × 2,061
  4. Step 4: Simplify right side
    2,901.60x = 8,249,111.28
  5. Step 5: Solve for x
    x = 8,249,111.28/2,901.60
  6. Step 6: Final answer
    x = 2,842.95

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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.