Home / 1,617.53-2,225.77-1,569.35

Finding the Fourth Proportional to 1,617.53, 2,225.77 and 1,569.35

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Solution

The fourth proportional to 1,617.53, 2,225.77 and 1,569.35 is: 2,159.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617.53 : 2,225.77 = 1,569.35 : x
  2. Step 2: Convert to fraction form
    1,617.53/2,225.77 = 1,569.35/x
  3. Step 3: Cross multiply
    1,617.53x = 2,225.77 × 1,569.35
  4. Step 4: Simplify right side
    1,617.53x = 3,492,997.10
  5. Step 5: Solve for x
    x = 3,492,997.10/1,617.53
  6. Step 6: Final answer
    x = 2,159.47

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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.