Home / 1,051.45-1,569.17-1,009.06

Finding the Fourth Proportional to 1,051.45, 1,569.17 and 1,009.06

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Solution

The fourth proportional to 1,051.45, 1,569.17 and 1,009.06 is: 1,505.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051.45 : 1,569.17 = 1,009.06 : x
  2. Step 2: Convert to fraction form
    1,051.45/1,569.17 = 1,009.06/x
  3. Step 3: Cross multiply
    1,051.45x = 1,569.17 × 1,009.06
  4. Step 4: Simplify right side
    1,051.45x = 1,583,386.68
  5. Step 5: Solve for x
    x = 1,583,386.68/1,051.45
  6. Step 6: Final answer
    x = 1,505.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.