Home / 1,579.07-2,368.61-929.05

Finding the Fourth Proportional to 1,579.07, 2,368.61 and 929.05

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Solution

The fourth proportional to 1,579.07, 2,368.61 and 929.05 is: 1,393.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579.07 : 2,368.61 = 929.05 : x
  2. Step 2: Convert to fraction form
    1,579.07/2,368.61 = 929.05/x
  3. Step 3: Cross multiply
    1,579.07x = 2,368.61 × 929.05
  4. Step 4: Simplify right side
    1,579.07x = 2,200,557.12
  5. Step 5: Solve for x
    x = 2,200,557.12/1,579.07
  6. Step 6: Final answer
    x = 1,393.58

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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.