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Finding the Fourth Proportional to 1,595.83, 2,393.36 and 671.40

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Solution

The fourth proportional to 1,595.83, 2,393.36 and 671.40 is: 1,006.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595.83 : 2,393.36 = 671.40 : x
  2. Step 2: Convert to fraction form
    1,595.83/2,393.36 = 671.40/x
  3. Step 3: Cross multiply
    1,595.83x = 2,393.36 × 671.40
  4. Step 4: Simplify right side
    1,595.83x = 1,606,901.90
  5. Step 5: Solve for x
    x = 1,606,901.90/1,595.83
  6. Step 6: Final answer
    x = 1,006.94

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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.