Home / 1,916.67-2,644.65-1,130.52

Finding the Fourth Proportional to 1,916.67, 2,644.65 and 1,130.52

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Solution

The fourth proportional to 1,916.67, 2,644.65 and 1,130.52 is: 1,559.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916.67 : 2,644.65 = 1,130.52 : x
  2. Step 2: Convert to fraction form
    1,916.67/2,644.65 = 1,130.52/x
  3. Step 3: Cross multiply
    1,916.67x = 2,644.65 × 1,130.52
  4. Step 4: Simplify right side
    1,916.67x = 2,989,829.72
  5. Step 5: Solve for x
    x = 2,989,829.72/1,916.67
  6. Step 6: Final answer
    x = 1,559.91

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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.