Home / 1,570.22-2,165.65-1,010.75

Finding the Fourth Proportional to 1,570.22, 2,165.65 and 1,010.75

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Solution

The fourth proportional to 1,570.22, 2,165.65 and 1,010.75 is: 1,394.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570.22 : 2,165.65 = 1,010.75 : x
  2. Step 2: Convert to fraction form
    1,570.22/2,165.65 = 1,010.75/x
  3. Step 3: Cross multiply
    1,570.22x = 2,165.65 × 1,010.75
  4. Step 4: Simplify right side
    1,570.22x = 2,188,930.74
  5. Step 5: Solve for x
    x = 2,188,930.74/1,570.22
  6. Step 6: Final answer
    x = 1,394.03

Related Problems

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Half scale
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Double scale
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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.