Home / 1,491.54-2,053.62-1,136.32

Finding the Fourth Proportional to 1,491.54, 2,053.62 and 1,136.32

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Solution

The fourth proportional to 1,491.54, 2,053.62 and 1,136.32 is: 1,564.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491.54 : 2,053.62 = 1,136.32 : x
  2. Step 2: Convert to fraction form
    1,491.54/2,053.62 = 1,136.32/x
  3. Step 3: Cross multiply
    1,491.54x = 2,053.62 × 1,136.32
  4. Step 4: Simplify right side
    1,491.54x = 2,333,569.48
  5. Step 5: Solve for x
    x = 2,333,569.48/1,491.54
  6. Step 6: Final answer
    x = 1,564.54

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Half scale
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Double scale
Find fourth proportional to 1,492.54, 2,055 and 1,137.32
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.