Home / 1,852.31-2,555.57-1,106.40

Finding the Fourth Proportional to 1,852.31, 2,555.57 and 1,106.40

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Solution

The fourth proportional to 1,852.31, 2,555.57 and 1,106.40 is: 1,526.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852.31 : 2,555.57 = 1,106.40 : x
  2. Step 2: Convert to fraction form
    1,852.31/2,555.57 = 1,106.40/x
  3. Step 3: Cross multiply
    1,852.31x = 2,555.57 × 1,106.40
  4. Step 4: Simplify right side
    1,852.31x = 2,827,477.12
  5. Step 5: Solve for x
    x = 2,827,477.12/1,852.31
  6. Step 6: Final answer
    x = 1,526.46

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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.