Home / 1,572.36-2,167.12-1,152.60

Finding the Fourth Proportional to 1,572.36, 2,167.12 and 1,152.60

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Solution

The fourth proportional to 1,572.36, 2,167.12 and 1,152.60 is: 1,588.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572.36 : 2,167.12 = 1,152.60 : x
  2. Step 2: Convert to fraction form
    1,572.36/2,167.12 = 1,152.60/x
  3. Step 3: Cross multiply
    1,572.36x = 2,167.12 × 1,152.60
  4. Step 4: Simplify right side
    1,572.36x = 2,497,822.51
  5. Step 5: Solve for x
    x = 2,497,822.51/1,572.36
  6. Step 6: Final answer
    x = 1,588.58

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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.