Home / 1,573.48-2,165.88-1,366.12

Finding the Fourth Proportional to 1,573.48, 2,165.88 and 1,366.12

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Solution

The fourth proportional to 1,573.48, 2,165.88 and 1,366.12 is: 1,880.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.48 : 2,165.88 = 1,366.12 : x
  2. Step 2: Convert to fraction form
    1,573.48/2,165.88 = 1,366.12/x
  3. Step 3: Cross multiply
    1,573.48x = 2,165.88 × 1,366.12
  4. Step 4: Simplify right side
    1,573.48x = 2,958,851.99
  5. Step 5: Solve for x
    x = 2,958,851.99/1,573.48
  6. Step 6: Final answer
    x = 1,880.45

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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.