Home / 1,617.98-2,424.24-1,557.20

Finding the Fourth Proportional to 1,617.98, 2,424.24 and 1,557.20

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Solution

The fourth proportional to 1,617.98, 2,424.24 and 1,557.20 is: 2,333.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617.98 : 2,424.24 = 1,557.20 : x
  2. Step 2: Convert to fraction form
    1,617.98/2,424.24 = 1,557.20/x
  3. Step 3: Cross multiply
    1,617.98x = 2,424.24 × 1,557.20
  4. Step 4: Simplify right side
    1,617.98x = 3,775,026.53
  5. Step 5: Solve for x
    x = 3,775,026.53/1,617.98
  6. Step 6: Final answer
    x = 2,333.17

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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.