Home / 1,569.36-2,166.40-1,010.58

Finding the Fourth Proportional to 1,569.36, 2,166.40 and 1,010.58

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Solution

The fourth proportional to 1,569.36, 2,166.40 and 1,010.58 is: 1,395.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.36 : 2,166.40 = 1,010.58 : x
  2. Step 2: Convert to fraction form
    1,569.36/2,166.40 = 1,010.58/x
  3. Step 3: Cross multiply
    1,569.36x = 2,166.40 × 1,010.58
  4. Step 4: Simplify right side
    1,569.36x = 2,189,320.51
  5. Step 5: Solve for x
    x = 2,189,320.51/1,569.36
  6. Step 6: Final answer
    x = 1,395.04

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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.