Home / 1,353.08-2,030.02-623.07

Finding the Fourth Proportional to 1,353.08, 2,030.02 and 623.07

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Solution

The fourth proportional to 1,353.08, 2,030.02 and 623.07 is: 934.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353.08 : 2,030.02 = 623.07 : x
  2. Step 2: Convert to fraction form
    1,353.08/2,030.02 = 623.07/x
  3. Step 3: Cross multiply
    1,353.08x = 2,030.02 × 623.07
  4. Step 4: Simplify right side
    1,353.08x = 1,264,844.56
  5. Step 5: Solve for x
    x = 1,264,844.56/1,353.08
  6. Step 6: Final answer
    x = 934.79

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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.