Home / 1,580.40-2,372.01-1,574.52

Finding the Fourth Proportional to 1,580.40, 2,372.01 and 1,574.52

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Solution

The fourth proportional to 1,580.40, 2,372.01 and 1,574.52 is: 2,363.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580.40 : 2,372.01 = 1,574.52 : x
  2. Step 2: Convert to fraction form
    1,580.40/2,372.01 = 1,574.52/x
  3. Step 3: Cross multiply
    1,580.40x = 2,372.01 × 1,574.52
  4. Step 4: Simplify right side
    1,580.40x = 3,734,777.19
  5. Step 5: Solve for x
    x = 3,734,777.19/1,580.40
  6. Step 6: Final answer
    x = 2,363.18

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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.