Home / 1,509.51-2,083.05-837.27

Finding the Fourth Proportional to 1,509.51, 2,083.05 and 837.27

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Solution

The fourth proportional to 1,509.51, 2,083.05 and 837.27 is: 1,155.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509.51 : 2,083.05 = 837.27 : x
  2. Step 2: Convert to fraction form
    1,509.51/2,083.05 = 837.27/x
  3. Step 3: Cross multiply
    1,509.51x = 2,083.05 × 837.27
  4. Step 4: Simplify right side
    1,509.51x = 1,744,075.27
  5. Step 5: Solve for x
    x = 1,744,075.27/1,509.51
  6. Step 6: Final answer
    x = 1,155.39

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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.