Home / 1,533.71-2,117.27-1,136.40

Finding the Fourth Proportional to 1,533.71, 2,117.27 and 1,136.40

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Solution

The fourth proportional to 1,533.71, 2,117.27 and 1,136.40 is: 1,568.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533.71 : 2,117.27 = 1,136.40 : x
  2. Step 2: Convert to fraction form
    1,533.71/2,117.27 = 1,136.40/x
  3. Step 3: Cross multiply
    1,533.71x = 2,117.27 × 1,136.40
  4. Step 4: Simplify right side
    1,533.71x = 2,406,059.95
  5. Step 5: Solve for x
    x = 2,406,059.95/1,533.71
  6. Step 6: Final answer
    x = 1,568.79

Related Problems

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Half scale
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Double scale
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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.