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Finding the Fourth Proportional to 1,555.46, 2,333.18 and 898.34

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Solution

The fourth proportional to 1,555.46, 2,333.18 and 898.34 is: 1,347.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555.46 : 2,333.18 = 898.34 : x
  2. Step 2: Convert to fraction form
    1,555.46/2,333.18 = 898.34/x
  3. Step 3: Cross multiply
    1,555.46x = 2,333.18 × 898.34
  4. Step 4: Simplify right side
    1,555.46x = 2,095,979.50
  5. Step 5: Solve for x
    x = 2,095,979.50/1,555.46
  6. Step 6: Final answer
    x = 1,347.50

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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.