Home / 1,757.19-2,424.96-971.29

Finding the Fourth Proportional to 1,757.19, 2,424.96 and 971.29

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Solution

The fourth proportional to 1,757.19, 2,424.96 and 971.29 is: 1,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757.19 : 2,424.96 = 971.29 : x
  2. Step 2: Convert to fraction form
    1,757.19/2,424.96 = 971.29/x
  3. Step 3: Cross multiply
    1,757.19x = 2,424.96 × 971.29
  4. Step 4: Simplify right side
    1,757.19x = 2,355,339.40
  5. Step 5: Solve for x
    x = 2,355,339.40/1,757.19
  6. Step 6: Final answer
    x = 1,340.40

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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.