Home / 1,533.19-2,116.20-973.93

Finding the Fourth Proportional to 1,533.19, 2,116.20 and 973.93

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Solution

The fourth proportional to 1,533.19, 2,116.20 and 973.93 is: 1,344.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533.19 : 2,116.20 = 973.93 : x
  2. Step 2: Convert to fraction form
    1,533.19/2,116.20 = 973.93/x
  3. Step 3: Cross multiply
    1,533.19x = 2,116.20 × 973.93
  4. Step 4: Simplify right side
    1,533.19x = 2,061,030.67
  5. Step 5: Solve for x
    x = 2,061,030.67/1,533.19
  6. Step 6: Final answer
    x = 1,344.28

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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.