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Finding the Fourth Proportional to 2,802.59, 3,865.60 and 1,753.91

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Solution

The fourth proportional to 2,802.59, 3,865.60 and 1,753.91 is: 2,419.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.59 : 3,865.60 = 1,753.91 : x
  2. Step 2: Convert to fraction form
    2,802.59/3,865.60 = 1,753.91/x
  3. Step 3: Cross multiply
    2,802.59x = 3,865.60 × 1,753.91
  4. Step 4: Simplify right side
    2,802.59x = 6,779,914.50
  5. Step 5: Solve for x
    x = 6,779,914.50/2,802.59
  6. Step 6: Final answer
    x = 2,419.16

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1.5x scale

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.