Home / 1,860.24-2,567.16-1,395.12

Finding the Fourth Proportional to 1,860.24, 2,567.16 and 1,395.12

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Solution

The fourth proportional to 1,860.24, 2,567.16 and 1,395.12 is: 1,925.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.24 : 2,567.16 = 1,395.12 : x
  2. Step 2: Convert to fraction form
    1,860.24/2,567.16 = 1,395.12/x
  3. Step 3: Cross multiply
    1,860.24x = 2,567.16 × 1,395.12
  4. Step 4: Simplify right side
    1,860.24x = 3,581,496.26
  5. Step 5: Solve for x
    x = 3,581,496.26/1,860.24
  6. Step 6: Final answer
    x = 1,925.29

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1.5x scale

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.