Home / 1,868.10-2,802.72-569.58

Finding the Fourth Proportional to 1,868.10, 2,802.72 and 569.58

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Solution

The fourth proportional to 1,868.10, 2,802.72 and 569.58 is: 854.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868.10 : 2,802.72 = 569.58 : x
  2. Step 2: Convert to fraction form
    1,868.10/2,802.72 = 569.58/x
  3. Step 3: Cross multiply
    1,868.10x = 2,802.72 × 569.58
  4. Step 4: Simplify right side
    1,868.10x = 1,596,373.26
  5. Step 5: Solve for x
    x = 1,596,373.26/1,868.10
  6. Step 6: Final answer
    x = 854.54

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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.