Home / 1,775.10-2,659.45-1,570.30

Finding the Fourth Proportional to 1,775.10, 2,659.45 and 1,570.30

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Solution

The fourth proportional to 1,775.10, 2,659.45 and 1,570.30 is: 2,352.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775.10 : 2,659.45 = 1,570.30 : x
  2. Step 2: Convert to fraction form
    1,775.10/2,659.45 = 1,570.30/x
  3. Step 3: Cross multiply
    1,775.10x = 2,659.45 × 1,570.30
  4. Step 4: Simplify right side
    1,775.10x = 4,176,134.34
  5. Step 5: Solve for x
    x = 4,176,134.34/1,775.10
  6. Step 6: Final answer
    x = 2,352.62

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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.