Home / 1,059.80-1,582.99-1,030.64

Finding the Fourth Proportional to 1,059.80, 1,582.99 and 1,030.64

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Solution

The fourth proportional to 1,059.80, 1,582.99 and 1,030.64 is: 1,539.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059.80 : 1,582.99 = 1,030.64 : x
  2. Step 2: Convert to fraction form
    1,059.80/1,582.99 = 1,030.64/x
  3. Step 3: Cross multiply
    1,059.80x = 1,582.99 × 1,030.64
  4. Step 4: Simplify right side
    1,059.80x = 1,631,492.81
  5. Step 5: Solve for x
    x = 1,631,492.81/1,059.80
  6. Step 6: Final answer
    x = 1,539.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.