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Finding the Fourth Proportional to 1,437.48, 2,158.96 and 893.46

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Solution

The fourth proportional to 1,437.48, 2,158.96 and 893.46 is: 1,341.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437.48 : 2,158.96 = 893.46 : x
  2. Step 2: Convert to fraction form
    1,437.48/2,158.96 = 893.46/x
  3. Step 3: Cross multiply
    1,437.48x = 2,158.96 × 893.46
  4. Step 4: Simplify right side
    1,437.48x = 1,928,944.40
  5. Step 5: Solve for x
    x = 1,928,944.40/1,437.48
  6. Step 6: Final answer
    x = 1,341.89

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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.