Home / 1,875.24-2,810.64-1,854.72

Finding the Fourth Proportional to 1,875.24, 2,810.64 and 1,854.72

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Solution

The fourth proportional to 1,875.24, 2,810.64 and 1,854.72 is: 2,779.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875.24 : 2,810.64 = 1,854.72 : x
  2. Step 2: Convert to fraction form
    1,875.24/2,810.64 = 1,854.72/x
  3. Step 3: Cross multiply
    1,875.24x = 2,810.64 × 1,854.72
  4. Step 4: Simplify right side
    1,875.24x = 5,212,950.22
  5. Step 5: Solve for x
    x = 5,212,950.22/1,875.24
  6. Step 6: Final answer
    x = 2,779.88

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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.