Home / 1,875.17-2,810.48-1,411.46

Finding the Fourth Proportional to 1,875.17, 2,810.48 and 1,411.46

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Solution

The fourth proportional to 1,875.17, 2,810.48 and 1,411.46 is: 2,115.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875.17 : 2,810.48 = 1,411.46 : x
  2. Step 2: Convert to fraction form
    1,875.17/2,810.48 = 1,411.46/x
  3. Step 3: Cross multiply
    1,875.17x = 2,810.48 × 1,411.46
  4. Step 4: Simplify right side
    1,875.17x = 3,966,858.99
  5. Step 5: Solve for x
    x = 3,966,858.99/1,875.17
  6. Step 6: Final answer
    x = 2,115.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.