Home / 1,533.63-2,101.67-1,386.01

Finding the Fourth Proportional to 1,533.63, 2,101.67 and 1,386.01

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Solution

The fourth proportional to 1,533.63, 2,101.67 and 1,386.01 is: 1,899.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533.63 : 2,101.67 = 1,386.01 : x
  2. Step 2: Convert to fraction form
    1,533.63/2,101.67 = 1,386.01/x
  3. Step 3: Cross multiply
    1,533.63x = 2,101.67 × 1,386.01
  4. Step 4: Simplify right side
    1,533.63x = 2,912,923.45
  5. Step 5: Solve for x
    x = 2,912,923.45/1,533.63
  6. Step 6: Final answer
    x = 1,899.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.