Home / 1,557.04-2,334.32-816.32

Finding the Fourth Proportional to 1,557.04, 2,334.32 and 816.32

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Solution

The fourth proportional to 1,557.04, 2,334.32 and 816.32 is: 1,223.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557.04 : 2,334.32 = 816.32 : x
  2. Step 2: Convert to fraction form
    1,557.04/2,334.32 = 816.32/x
  3. Step 3: Cross multiply
    1,557.04x = 2,334.32 × 816.32
  4. Step 4: Simplify right side
    1,557.04x = 1,905,552.10
  5. Step 5: Solve for x
    x = 1,905,552.10/1,557.04
  6. Step 6: Final answer
    x = 1,223.83

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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.