Home / 1,560.21-2,341.22-1,439.93

Finding the Fourth Proportional to 1,560.21, 2,341.22 and 1,439.93

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Solution

The fourth proportional to 1,560.21, 2,341.22 and 1,439.93 is: 2,160.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560.21 : 2,341.22 = 1,439.93 : x
  2. Step 2: Convert to fraction form
    1,560.21/2,341.22 = 1,439.93/x
  3. Step 3: Cross multiply
    1,560.21x = 2,341.22 × 1,439.93
  4. Step 4: Simplify right side
    1,560.21x = 3,371,174.01
  5. Step 5: Solve for x
    x = 3,371,174.01/1,560.21
  6. Step 6: Final answer
    x = 2,160.72

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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.