Home / 1,555.04-2,332.56-896.51

Finding the Fourth Proportional to 1,555.04, 2,332.56 and 896.51

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Solution

The fourth proportional to 1,555.04, 2,332.56 and 896.51 is: 1,344.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555.04 : 2,332.56 = 896.51 : x
  2. Step 2: Convert to fraction form
    1,555.04/2,332.56 = 896.51/x
  3. Step 3: Cross multiply
    1,555.04x = 2,332.56 × 896.51
  4. Step 4: Simplify right side
    1,555.04x = 2,091,163.37
  5. Step 5: Solve for x
    x = 2,091,163.37/1,555.04
  6. Step 6: Final answer
    x = 1,344.77

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Double scale
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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.