Home / 2,365.05-3,547.75-1,810.55

Finding the Fourth Proportional to 2,365.05, 3,547.75 and 1,810.55

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Solution

The fourth proportional to 2,365.05, 3,547.75 and 1,810.55 is: 2,715.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,365.05 : 3,547.75 = 1,810.55 : x
  2. Step 2: Convert to fraction form
    2,365.05/3,547.75 = 1,810.55/x
  3. Step 3: Cross multiply
    2,365.05x = 3,547.75 × 1,810.55
  4. Step 4: Simplify right side
    2,365.05x = 6,423,386.50
  5. Step 5: Solve for x
    x = 6,423,386.50/2,365.05
  6. Step 6: Final answer
    x = 2,715.96

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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.