Home / 1,876.72-2,588.85-1,130.22

Finding the Fourth Proportional to 1,876.72, 2,588.85 and 1,130.22

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Solution

The fourth proportional to 1,876.72, 2,588.85 and 1,130.22 is: 1,559.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876.72 : 2,588.85 = 1,130.22 : x
  2. Step 2: Convert to fraction form
    1,876.72/2,588.85 = 1,130.22/x
  3. Step 3: Cross multiply
    1,876.72x = 2,588.85 × 1,130.22
  4. Step 4: Simplify right side
    1,876.72x = 2,925,972.28
  5. Step 5: Solve for x
    x = 2,925,972.28/1,876.72
  6. Step 6: Final answer
    x = 1,559.09

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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.