Home / 1,552.18-2,316.30-1,385.87

Finding the Fourth Proportional to 1,552.18, 2,316.30 and 1,385.87

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Solution

The fourth proportional to 1,552.18, 2,316.30 and 1,385.87 is: 2,068.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552.18 : 2,316.30 = 1,385.87 : x
  2. Step 2: Convert to fraction form
    1,552.18/2,316.30 = 1,385.87/x
  3. Step 3: Cross multiply
    1,552.18x = 2,316.30 × 1,385.87
  4. Step 4: Simplify right side
    1,552.18x = 3,210,090.68
  5. Step 5: Solve for x
    x = 3,210,090.68/1,552.18
  6. Step 6: Final answer
    x = 2,068.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.