Home / 2,875.60-4,307.58-2,726.16

Finding the Fourth Proportional to 2,875.60, 4,307.58 and 2,726.16

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Solution

The fourth proportional to 2,875.60, 4,307.58 and 2,726.16 is: 4,083.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.60 : 4,307.58 = 2,726.16 : x
  2. Step 2: Convert to fraction form
    2,875.60/4,307.58 = 2,726.16/x
  3. Step 3: Cross multiply
    2,875.60x = 4,307.58 × 2,726.16
  4. Step 4: Simplify right side
    2,875.60x = 11,743,136.14
  5. Step 5: Solve for x
    x = 11,743,136.14/2,875.60
  6. Step 6: Final answer
    x = 4,083.72

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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.