Home / 1,569.70-2,165.14-1,010.87

Finding the Fourth Proportional to 1,569.70, 2,165.14 and 1,010.87

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Solution

The fourth proportional to 1,569.70, 2,165.14 and 1,010.87 is: 1,394.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.70 : 2,165.14 = 1,010.87 : x
  2. Step 2: Convert to fraction form
    1,569.70/2,165.14 = 1,010.87/x
  3. Step 3: Cross multiply
    1,569.70x = 2,165.14 × 1,010.87
  4. Step 4: Simplify right side
    1,569.70x = 2,188,677.96
  5. Step 5: Solve for x
    x = 2,188,677.96/1,569.70
  6. Step 6: Final answer
    x = 1,394.33

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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.