Home / 1,916.67-2,873.75-929.23

Finding the Fourth Proportional to 1,916.67, 2,873.75 and 929.23

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Solution

The fourth proportional to 1,916.67, 2,873.75 and 929.23 is: 1,393.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916.67 : 2,873.75 = 929.23 : x
  2. Step 2: Convert to fraction form
    1,916.67/2,873.75 = 929.23/x
  3. Step 3: Cross multiply
    1,916.67x = 2,873.75 × 929.23
  4. Step 4: Simplify right side
    1,916.67x = 2,670,374.71
  5. Step 5: Solve for x
    x = 2,670,374.71/1,916.67
  6. Step 6: Final answer
    x = 1,393.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.