Home / 1,569.85-2,165.70-1,010.11

Finding the Fourth Proportional to 1,569.85, 2,165.70 and 1,010.11

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Solution

The fourth proportional to 1,569.85, 2,165.70 and 1,010.11 is: 1,393.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.85 : 2,165.70 = 1,010.11 : x
  2. Step 2: Convert to fraction form
    1,569.85/2,165.70 = 1,010.11/x
  3. Step 3: Cross multiply
    1,569.85x = 2,165.70 × 1,010.11
  4. Step 4: Simplify right side
    1,569.85x = 2,187,595.23
  5. Step 5: Solve for x
    x = 2,187,595.23/1,569.85
  6. Step 6: Final answer
    x = 1,393.51

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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.