Home / 1,925.16-2,655.36-1,335.90

Finding the Fourth Proportional to 1,925.16, 2,655.36 and 1,335.90

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Solution

The fourth proportional to 1,925.16, 2,655.36 and 1,335.90 is: 1,842.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925.16 : 2,655.36 = 1,335.90 : x
  2. Step 2: Convert to fraction form
    1,925.16/2,655.36 = 1,335.90/x
  3. Step 3: Cross multiply
    1,925.16x = 2,655.36 × 1,335.90
  4. Step 4: Simplify right side
    1,925.16x = 3,547,295.42
  5. Step 5: Solve for x
    x = 3,547,295.42/1,925.16
  6. Step 6: Final answer
    x = 1,842.60

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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.