Home / 1,875.08-2,587.14-1,089.16

Finding the Fourth Proportional to 1,875.08, 2,587.14 and 1,089.16

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Solution

The fourth proportional to 1,875.08, 2,587.14 and 1,089.16 is: 1,502.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875.08 : 2,587.14 = 1,089.16 : x
  2. Step 2: Convert to fraction form
    1,875.08/2,587.14 = 1,089.16/x
  3. Step 3: Cross multiply
    1,875.08x = 2,587.14 × 1,089.16
  4. Step 4: Simplify right side
    1,875.08x = 2,817,809.40
  5. Step 5: Solve for x
    x = 2,817,809.40/1,875.08
  6. Step 6: Final answer
    x = 1,502.77

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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.