Home / 1,553.10-2,317.10-1,466.70

Finding the Fourth Proportional to 1,553.10, 2,317.10 and 1,466.70

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Solution

The fourth proportional to 1,553.10, 2,317.10 and 1,466.70 is: 2,188.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553.10 : 2,317.10 = 1,466.70 : x
  2. Step 2: Convert to fraction form
    1,553.10/2,317.10 = 1,466.70/x
  3. Step 3: Cross multiply
    1,553.10x = 2,317.10 × 1,466.70
  4. Step 4: Simplify right side
    1,553.10x = 3,398,483.24
  5. Step 5: Solve for x
    x = 3,398,483.24/1,553.10
  6. Step 6: Final answer
    x = 2,188.19

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1.5x scale

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.