Home / 1,579.70-2,369.55-1,570.10

Finding the Fourth Proportional to 1,579.70, 2,369.55 and 1,570.10

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Solution

The fourth proportional to 1,579.70, 2,369.55 and 1,570.10 is: 2,355.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579.70 : 2,369.55 = 1,570.10 : x
  2. Step 2: Convert to fraction form
    1,579.70/2,369.55 = 1,570.10/x
  3. Step 3: Cross multiply
    1,579.70x = 2,369.55 × 1,570.10
  4. Step 4: Simplify right side
    1,579.70x = 3,720,430.46
  5. Step 5: Solve for x
    x = 3,720,430.46/1,579.70
  6. Step 6: Final answer
    x = 2,355.15

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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.