Home / 1,572.37-2,170.17-1,041.28

Finding the Fourth Proportional to 1,572.37, 2,170.17 and 1,041.28

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Solution

The fourth proportional to 1,572.37, 2,170.17 and 1,041.28 is: 1,437.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572.37 : 2,170.17 = 1,041.28 : x
  2. Step 2: Convert to fraction form
    1,572.37/2,170.17 = 1,041.28/x
  3. Step 3: Cross multiply
    1,572.37x = 2,170.17 × 1,041.28
  4. Step 4: Simplify right side
    1,572.37x = 2,259,749.19
  5. Step 5: Solve for x
    x = 2,259,749.19/1,572.37
  6. Step 6: Final answer
    x = 1,437.16

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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.