Home / 1,533.90-2,115.93-1,037.23

Finding the Fourth Proportional to 1,533.90, 2,115.93 and 1,037.23

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Solution

The fourth proportional to 1,533.90, 2,115.93 and 1,037.23 is: 1,430.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533.90 : 2,115.93 = 1,037.23 : x
  2. Step 2: Convert to fraction form
    1,533.90/2,115.93 = 1,037.23/x
  3. Step 3: Cross multiply
    1,533.90x = 2,115.93 × 1,037.23
  4. Step 4: Simplify right side
    1,533.90x = 2,194,706.07
  5. Step 5: Solve for x
    x = 2,194,706.07/1,533.90
  6. Step 6: Final answer
    x = 1,430.81

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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.