Home / 1,051.36-1,570.84-1,015.08

Finding the Fourth Proportional to 1,051.36, 1,570.84 and 1,015.08

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Solution

The fourth proportional to 1,051.36, 1,570.84 and 1,015.08 is: 1,516.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051.36 : 1,570.84 = 1,015.08 : x
  2. Step 2: Convert to fraction form
    1,051.36/1,570.84 = 1,015.08/x
  3. Step 3: Cross multiply
    1,051.36x = 1,570.84 × 1,015.08
  4. Step 4: Simplify right side
    1,051.36x = 1,594,528.27
  5. Step 5: Solve for x
    x = 1,594,528.27/1,051.36
  6. Step 6: Final answer
    x = 1,516.63

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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.