Home / 1,845.02-2,543.64-1,787.69

Finding the Fourth Proportional to 1,845.02, 2,543.64 and 1,787.69

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Solution

The fourth proportional to 1,845.02, 2,543.64 and 1,787.69 is: 2,464.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.02 : 2,543.64 = 1,787.69 : x
  2. Step 2: Convert to fraction form
    1,845.02/2,543.64 = 1,787.69/x
  3. Step 3: Cross multiply
    1,845.02x = 2,543.64 × 1,787.69
  4. Step 4: Simplify right side
    1,845.02x = 4,547,239.79
  5. Step 5: Solve for x
    x = 4,547,239.79/1,845.02
  6. Step 6: Final answer
    x = 2,464.60

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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.