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Finding the Fourth Proportional to 1,868.04, 2,802.24 and 635.04

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Solution

The fourth proportional to 1,868.04, 2,802.24 and 635.04 is: 952.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868.04 : 2,802.24 = 635.04 : x
  2. Step 2: Convert to fraction form
    1,868.04/2,802.24 = 635.04/x
  3. Step 3: Cross multiply
    1,868.04x = 2,802.24 × 635.04
  4. Step 4: Simplify right side
    1,868.04x = 1,779,534.49
  5. Step 5: Solve for x
    x = 1,779,534.49/1,868.04
  6. Step 6: Final answer
    x = 952.62

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1.5x scale

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.