Home / 1,357.52-2,030.94-1,047.02

Finding the Fourth Proportional to 1,357.52, 2,030.94 and 1,047.02

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Solution

The fourth proportional to 1,357.52, 2,030.94 and 1,047.02 is: 1,566.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357.52 : 2,030.94 = 1,047.02 : x
  2. Step 2: Convert to fraction form
    1,357.52/2,030.94 = 1,047.02/x
  3. Step 3: Cross multiply
    1,357.52x = 2,030.94 × 1,047.02
  4. Step 4: Simplify right side
    1,357.52x = 2,126,434.80
  5. Step 5: Solve for x
    x = 2,126,434.80/1,357.52
  6. Step 6: Final answer
    x = 1,566.41

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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.