Home / 2,409.51-3,325.74-1,572.31

Finding the Fourth Proportional to 2,409.51, 3,325.74 and 1,572.31

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Solution

The fourth proportional to 2,409.51, 3,325.74 and 1,572.31 is: 2,170.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.51 : 3,325.74 = 1,572.31 : x
  2. Step 2: Convert to fraction form
    2,409.51/3,325.74 = 1,572.31/x
  3. Step 3: Cross multiply
    2,409.51x = 3,325.74 × 1,572.31
  4. Step 4: Simplify right side
    2,409.51x = 5,229,077.63
  5. Step 5: Solve for x
    x = 5,229,077.63/2,409.51
  6. Step 6: Final answer
    x = 2,170.18

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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.